CommercialToolry
Learning About Dvd Kia Soul: Grades, Material Standards, and Industrial Applications

Learning About Dvd Kia Soul: Grades, Material Standards, and Industrial Applications

Types of Kia Soul DVD Systems

A Kia Soul DVD system enhances in-car entertainment and functionality, offering everything from rear-seat video playback to advanced navigation and multimedia integration. These systems vary widely in design, features, and compatibility. Understanding the different types helps owners choose the best option based on their driving habits, budget, and tech preferences. Whether you're upgrading for family road trips or seeking a modern infotainment experience, there's a DVD solution tailored to your needs.

Factory OEM DVD System

Pre-installed by Kia, this factory-integrated DVD system is designed specifically for the Soul’s dashboard and electronics. It offers seamless compatibility with the vehicle’s original controls, steering wheel buttons, and audio system.

Advantages
  • Fully integrated with factory dashboard and controls
  • Plug-and-play setup with no wiring modifications
  • Supports DVD playback and basic multimedia functions
  • Maintains vehicle resale value and warranty compliance
Limitations
  • Limited upgrade potential and outdated software
  • Fewer modern features (no Apple CarPlay or Android Auto)
  • Smaller screen size and lower resolution
  • May lack Bluetooth audio streaming or USB video support

Best for: Owners who prefer OEM reliability and want minimal installation complexity

Double-DIN DVD Player

A larger aftermarket unit that occupies two DIN slots (approximately 4 inches tall), the Double-DIN system provides a high-resolution touchscreen interface with extensive multimedia and connectivity options.

Advantages
  • Large touchscreen (6.8" to 10.1") for easy viewing and control
  • Supports DVD, CD, USB, Bluetooth, and SD card playback
  • Often includes GPS navigation, reverse camera input, and smartphone integration (CarPlay/Android Auto)
  • Customizable display themes and equalizer settings
Limitations
  • Requires dashboard modification for installation
  • May void warranty if not professionally installed
  • Higher cost compared to basic systems
  • Potential compatibility issues with steering wheel controls

Best for: Tech-savvy users and families wanting modern features and superior screen quality

In-Dash DVD Player

These are compact, built-in units that fit flush within the dashboard, typically replacing the factory radio. While primarily focused on audio playback, some models support video from DVDs via auxiliary input or internal drive.

Advantages
  • Sleek, factory-like appearance with clean integration
  • Reliable CD and DVD audio playback
  • Supports MP3, WMA, and other digital formats
  • Often includes AM/FM radio and auxiliary input
Limitations
  • No video display or navigation capabilities
  • Limited to audio-only DVD content
  • Few connectivity options (no Bluetooth or USB in older models)
  • Outdated technology compared to modern head units

Best for: Budget-conscious buyers who want basic DVD audio functionality without extra features

Portable DVD System

A flexible, removable solution featuring standalone screens and DVD players that can be mounted on headrests or placed on seats. Ideal for families and long-distance travelers.

Advantages
  • Easy to install and remove—no permanent modifications
  • Multiple screens available for back-seat entertainment
  • Wireless headphones support for quiet viewing
  • Compatible with any vehicle, regardless of model year
Limitations
  • Wires may clutter the cabin if not managed properly
  • Screen visibility affected by sunlight and viewing angles
  • Battery life limitations on wireless models
  • Less secure and more prone to theft or misplacement

Best for: Families, renters, or those who frequently switch vehicles and need flexible entertainment

Type Video Playback Audio Support Connectivity Best For
Factory OEM DVD System Yes (front screen) DVD, CD, Radio Bluetooth (limited), AUX OEM integration, simplicity
Double-DIN DVD Player Yes (large touchscreen) DVD, CD, USB, Streaming CarPlay, Android Auto, GPS, Reverse Cam Modern features, full multimedia
In-Dash DVD Player No (audio only) DVD-Audio, CD, MP3 AUX, Radio Basic audio playback
Portable DVD System Yes (rear screens) DVD, Bluetooth Audio Wireless headphones, USB Family use, temporary setup

Expert Tip: When upgrading from a factory system, ensure the new Double-DIN unit includes a Kia-specific installation kit and interface module to retain steering wheel controls and factory backup camera functionality.

Function, Features & Design of Kia Soul DVD Systems

Integrated DVD systems in the Kia Soul enhance both entertainment and navigation, transforming everyday commutes and long road trips into more enjoyable and efficient experiences. Understanding the function, features, and design of these systems is crucial for maximizing in-car comfort and utility. Whether you're a family driver, frequent traveler, or tech-savvy commuter, the Kia Soul's DVD system offers a well-rounded multimedia solution tailored for modern driving needs.

Core Functions of the Kia Soul DVD System

The primary function of the Kia Soul DVD system is to provide reliable in-vehicle entertainment and navigation support. Designed with both driver and passenger needs in mind, it ensures a more engaging and stress-free journey.

Entertainment for Passengers

The rear-seat entertainment options allow passengers—especially children—to watch movies, TV shows, or play video games directly from built-in or portable DVD players. This is particularly beneficial during long drives, helping to reduce travel fatigue and keep backseat occupants engaged.

Front and rear screens (depending on the model and configuration) support individual media playback, enabling different content to be viewed simultaneously by different passengers.

Navigation & Driver Assistance

The front dashboard-mounted DVD system often integrates a GPS navigation module, providing turn-by-turn directions, real-time traffic updates, and points of interest. This reduces reliance on smartphones and helps drivers stay focused on the road.

In addition to navigation, the system may support backup camera integration, enhancing safety during parking and low-speed maneuvers.

Key Features That Enhance Usability

Modern Kia Soul DVD systems go beyond basic disc playback, offering a suite of advanced features that improve connectivity, versatility, and user experience.

  • Multimedia Compatibility: Supports a wide range of formats including DVDs, CDs, MP3s, and digital files via USB or auxiliary input. This allows users to enjoy personal music libraries, audiobooks, and home videos without relying solely on physical discs.
  • Bluetooth Connectivity: Enables hands-free calling and wireless audio streaming from smartphones. Drivers can make calls safely while passengers stream music from their devices without cables.
  • Smartphone Integration: Select models support Apple CarPlay and Android Auto, mirroring smartphone apps like Maps, Spotify, and messaging services directly onto the DVD screen.
  • GPS Navigation: Built-in GPS with voice-guided directions, offline maps, and traffic alerts ensures reliable route planning even in areas with poor cellular coverage.
  • Wi-Fi & App Support: Higher-end trims may include Wi-Fi connectivity for software updates and app-based services, such as weather, fuel prices, or parking availability.
  • Multiple Input Options: Includes HDMI, USB, AUX, and SD card slots, making it easy to connect external devices like gaming consoles, tablets, or cameras.
  • Ergonomic and Aesthetic Design

    The design of the Kia Soul’s DVD system blends functionality with modern automotive aesthetics, ensuring seamless integration into the vehicle’s interior.

    Interior Integration

    DVD units are typically mounted in the center console or overhead console (for rear-seat systems), aligning with the Kia Soul’s clean, user-friendly dashboard layout. The placement ensures optimal visibility for both front and rear passengers without obstructing the driver’s view.

    The sleek, gloss-black or matte-finish bezels complement the car’s contemporary cabin design, contributing to a premium feel.

    User-Friendly Interface

    Screens range from 6.5 inches to 10.25 inches (depending on model year and trim), offering high-resolution displays with responsive touch controls. Physical buttons and rotary dials are also available for critical functions, allowing for safe operation while driving.

    Menus are intuitively organized, with clear icons and logical navigation paths. Backlighting and anti-glare coatings improve readability in bright sunlight or nighttime conditions.

    Feature Benefit Availability by Trim
    DVD/CD Playback Enables physical media use for movies and music Standard on most trims through 2020; phased out in newer models
    Bluetooth Audio & Calling Wireless connectivity for safer communication and music streaming Standard on LX and above trims
    Apple CarPlay / Android Auto Smartphone mirroring for apps and navigation Available from 2017+ models; standard on EX and higher trims
    GPS Navigation Turn-by-turn directions without using a phone Optional or standard on SX and higher trims
    Rear Seat Entertainment (RSE) Keeps backseat passengers entertained on long trips Available as add-on or in premium packages

    Note: While DVD systems were standard in Kia Soul models up to 2020, newer versions have transitioned to fully digital infotainment systems without disc drives. If you're purchasing a used Kia Soul or upgrading your system, verify the model year and trim level to ensure DVD functionality. Additionally, regular software updates and proper screen cleaning help maintain performance and longevity.

    How To Choose the Right Kia Soul DVD System

    Selecting the ideal DVD system for your Kia Soul enhances in-car entertainment, navigation, and overall driving experience. With various models produced from 2010 to the present, compatibility, features, and quality vary significantly. This comprehensive guide helps you make an informed decision by covering all essential aspects—from model-specific fitment to advanced multimedia capabilities.

    Compatibility with Your Kia Soul Model Year

    Not all DVD systems are compatible with every Kia Soul generation. Ensuring proper fitment is crucial for seamless installation and full functionality.

    • 2010–2013 Models: Use double-DIN dash openings; look for units with harness adapters and steering wheel control integration
    • 2014–2019 Models: Feature UVO infotainment; upgrade to Android Auto/Apple CarPlay-ready units for modern connectivity
    • 2020–Present: Some trims come with 8-inch touchscreens; aftermarket options should match or exceed OEM resolution and responsiveness
    • Confirm whether your vehicle has a factory backup camera or amplifier to avoid signal conflicts

    Key consideration: Use your VIN or consult a fitment database to verify compatibility before purchase

    Essential Features & Multimedia Support

    Modern DVD systems offer far more than just video playback—they serve as smart hubs for entertainment, safety, and communication.

    • DVD/CD/MP3/MP4 Support: Ensure playback of common audio and video formats for movies, music, and audiobooks
    • Touchscreen Interface: Opt for capacitive touchscreens (not resistive) for faster, smoother response similar to smartphones
    • Bluetooth Connectivity: Enables hands-free calling and wireless audio streaming from mobile devices
    • GPS Navigation: Built-in or app-based (via Android Auto/CarPlay) for real-time traffic and route guidance
    • Rearview Camera Input: Critical for safety; many systems include a camera or support add-on models with dynamic guidelines

    Pro tip: Look for systems with Wi-Fi and USB playback for greater media flexibility

    Trusted Brands & Build Quality

    Choosing a reputable brand ensures reliability, software stability, and access to firmware updates and customer support.

    • Pioneer & Sony: Industry leaders offering high-fidelity audio, durable construction, and excellent compatibility
    • Kenwood: Known for intuitive interfaces and strong Bluetooth performance
    • Alpine: Premium option with superior sound processing and sleek design
    • Android-Based Units (e.g., AVIC, GROM): Offer full app ecosystems but require careful installation and potential warranty considerations

    Critical factor: Avoid no-name brands with poor software support or outdated operating systems

    Customer Reviews & Real-World Feedback

    Firsthand user experiences reveal insights that specs alone can't provide—especially regarding long-term performance and hidden issues.

    • Check for consistent praise or complaints about screen glare, touchscreen lag, or audio distortion
    • Look for feedback on installation difficulty—some units require dashboard modifications or professional wiring
    • Pay attention to comments about GPS accuracy, Bluetooth pairing stability, and voice command functionality
    • Be cautious of products with multiple reports of overheating or sudden shutdowns

    Smart move: Sort reviews by “most recent” to identify potential batch defects or firmware problems

    Pricing & Value Comparison

    DVD systems range from budget-friendly to premium, and price often reflects feature set, build quality, and brand reputation.

    • Budget ($100–$180): Basic DVD/USB/Bluetooth units; suitable for simple upgrades with limited smart features
    • Mid-Range ($180–$300): Includes Apple CarPlay, Android Auto, capacitive touchscreens, and better audio processing
    • Premium ($300+): High-resolution displays, premium sound integration, wireless connectivity, and advanced navigation
    • Consider bundled accessories (microphones, cameras, mounting kits) when comparing total value

    Value insight: A slightly higher upfront cost often translates to longer lifespan and fewer replacements

    Installation & Support Considerations

    Even the best system can underperform if not installed correctly. Consider both DIY and professional options.

    • Verify if the unit includes a mounting kit and wiring harness adapter for plug-and-play installation
    • Some advanced features (like backup camera integration) may require additional modules or coding via OBD2
    • Check warranty length and whether technical support is available via phone, email, or live chat
    • Professional installation ensures proper grounding, avoids dashboard damage, and maintains factory aesthetics

    Time-saving tip: Choose systems with detailed installation manuals and active user forums

    Professional Recommendation: For most Kia Soul owners, a mid-tier unit from Pioneer or Kenwood with Apple CarPlay and Android Auto offers the best balance of modern features, reliability, and ease of use. If you frequently travel with family or passengers, prioritize DVD/MP4 video playback and rear camera integration. Always test the interface in-store or watch video demos online to assess responsiveness and menu layout before buying.

    Model Year Range Recommended System Type Key Features Price Range
    2010–2013 Double-DIN with Harness Adapter DVD, Bluetooth, USB, Steering Wheel Control $120–$200
    2014–2019 CarPlay/Android Auto Enabled Touchscreen, GPS, Backup Camera Input $180–$300
    2020–Present High-Resolution Capacitive Screen Wireless Connectivity, App Integration, HD Audio $250–$400
    All Years (Budget) Basic Multimedia Receiver DVD, MP3, Bluetooth Calling $100–$150

    Additional Considerations

    • Screen Size & Visibility: 6.8" to 9" screens fit most Soul dashboards; opt for anti-glare coating for daytime clarity
    • Safety Compliance: Video playback while driving should be disabled unless using a passenger-controlled system
    • Firmware Updates: Regular updates improve performance and add new features—check manufacturer support policies
    • Audio Integration: Match impedance and power output with factory or upgraded speakers for optimal sound
    • Resale Value: OEM-style units maintain vehicle aesthetics and may appeal more to future buyers

    Maintenance & Repair Guide for Kia Soul DVD System

    The Kia Soul's built-in DVD system enhances your driving experience with entertainment, navigation, and connectivity features. Over time, however, these systems can degrade due to wear, software glitches, or hardware failure. Understanding how to maintain and repair your Kia Soul’s DVD head unit ensures reliable performance and extends the lifespan of this essential infotainment component. Whether you're dealing with disc read errors, touchscreen lag, or GPS inaccuracies, this comprehensive guide provides actionable steps for regular maintenance, troubleshooting, and component replacement.

    Important Note: Always disconnect the vehicle’s battery before performing internal repairs to prevent electrical shorts or damage to the audio system. Work in a clean, static-free environment and handle internal components with care to avoid damaging sensitive electronics.

    Regular Maintenance Tips

    Preventative maintenance is key to keeping your Kia Soul’s DVD system operating smoothly. Dust, grime, and improper cleaning methods can degrade both the screen and disc drive over time.

    • Screen Cleaning: Use a microfiber cloth and a manufacturer-approved screen cleaner. Avoid paper towels, abrasive cloths, or ammonia-based cleaners, which can scratch or damage the anti-glare coating.
    • Disc Maintenance: Keep DVDs and CDs clean and free of fingerprints. Store discs in protective cases to prevent warping or surface scratches.
    • Ventilation: Ensure the dashboard vents near the head unit are not blocked, as overheating can reduce system longevity.
    • Interior Dusting: Regularly dust the dashboard and around the stereo to prevent debris from entering the disc slot or cooling vents.

    Pro Tip: Clean the DVD lens every 6–12 months using a commercial DVD lens cleaner disc. This helps prevent read errors caused by dust accumulation inside the drive mechanism.

    Software Updates and System Optimization

    If your Kia Soul is equipped with an aftermarket or updated OEM infotainment system, staying current with software versions ensures optimal functionality, especially for GPS navigation, Bluetooth pairing, and media playback.

    • Check the manufacturer’s website (e.g., Pioneer, Kenwood, or Kia’s official support portal) for firmware updates.
    • Download the latest software package and transfer it to a formatted USB drive (typically FAT32).
    • Insert the USB into the vehicle’s USB port and follow on-screen prompts to install the update.
    • Do not interrupt the update process—power loss during installation can permanently damage the system.
    • Updates often improve map accuracy, voice recognition, and app compatibility (e.g., Apple CarPlay or Android Auto).

    Basic Troubleshooting for Common Issues

    When your DVD system malfunctions—such as failing to power on, freezing, or not reading discs—follow these structured troubleshooting steps before considering hardware replacement.

    1. Soft Reset: Turn off the vehicle, disconnect the negative battery terminal for 5–10 minutes, then reconnect. This clears temporary memory glitches.
    2. Factory Reset: Backup saved settings (radio presets, paired devices) to a USB drive if supported, then perform a factory reset through the system settings menu.
    3. Check Disc Compatibility: Ensure the disc is not scratched, dirty, or incompatible (e.g., region-locked DVDs or unsupported file formats).
    4. Test Alternative Media: Try a different DVD or USB drive to rule out media-specific issues.
    5. Update or Replace Navigation App: For GPS issues, consider installing a newer version of the navigation software or using a smartphone-based alternative like Google Maps or Waze via Bluetooth or USB.
    6. Professional Reset: If all else fails, visit a Kia dealership or authorized service center. Some systems require a hidden reset button or diagnostic tool only available to technicians.
    Symptom Possible Cause Solution Difficulty Level
    DVD not loading/ejecting Dirt in drive, damaged disc, motor failure Clean disc and drive; try lens cleaner; replace drive if needed Moderate
    Screen unresponsive Software freeze, touchscreen calibration issue Perform reset; recalibrate touchscreen; check for firmware update Easy
    No sound during playback Audio settings, wiring, speaker issue Check volume/mute settings; inspect wiring; test with other audio sources Moderate
    GPS inaccurate or frozen Outdated maps, poor satellite signal, software bug Update maps; reset navigation; ensure clear sky view for signal Easy to Moderate
    System won’t power on Blown fuse, wiring issue, internal failure Check fuse #23 (audio system); inspect wiring; consult technician Advanced

    Replacing the Disc Reader (DVD Drive)

    The disc reader is a common point of failure after years of use. If cleaning doesn’t resolve read errors, replacement may be necessary.

    • Remove the head unit using a Kia-specific radio removal tool (commonly JDM-style keys).
    • Open the stereo casing by removing screws (usually hidden under labels or rubber feet).
    • Locate the DVD drive module—typically secured with small screws and a ribbon cable.
    • Disconnect the ribbon cable and remove the old drive.
    • Install the compatible replacement drive (ensure model number matches your system).
    • Reassemble the unit and test before reinstalling in the dashboard.

    Note: Some OEM drives are region-locked or require pairing with the main board. Aftermarket drives may lack full functionality (e.g., no CD text or metadata).

    Replacing the Screen (Display Panel)

    A cracked, dim, or unresponsive screen can often be replaced without changing the entire head unit—saving cost and preserving your settings.

    • Remove the head unit from the dashboard using removal tools.
    • Disassemble the front panel carefully to access the display module.
    • Disconnect the video and power cables connected to the old screen.
    • Remove mounting brackets or adhesive and install the new LCD or OLED panel.
    • Reconnect all cables, reassemble the unit, and test display functionality.
    • Ensure the replacement screen matches the original resolution, connector type, and size (typically 6.5" or 7") for compatibility.

    Expert Advice: Purchase screen replacements from reputable suppliers that offer tested, OEM-compatible units. Look for models with anti-glare coating and touch sensitivity matching the original for seamless operation.

    Additional Maintenance Recommendations

    • Keep a backup USB drive with factory settings and firmware for emergency recovery.
    • Avoid exposing the system to extreme temperatures (e.g., leaving the car in direct sun for long periods).
    • Use high-quality, low-profile USB drives to prevent damage when inserting/removing.
    • Regularly clear cache and unused apps if running a smart infotainment system.
    • Consider upgrading to a modern aftermarket unit with Apple CarPlay and Android Auto if OEM support is discontinued.

    By following this guide, Kia Soul owners can significantly extend the life of their DVD system and avoid costly replacements. While many issues can be resolved with basic care and DIY repairs, persistent problems—especially those involving internal circuitry or software corruption—should be addressed by a certified technician. Proper maintenance not only improves reliability but also enhances safety by minimizing distractions caused by malfunctioning infotainment systems.

    Frequently Asked Questions About Kia Soul DVD Systems

    Q1: How to Install a Kia Soul DVD Player Professionally?

    For a seamless and reliable installation, it's highly recommended to have your Kia Soul’s DVD system installed by certified professionals. Car audio specialists or automotive electronics technicians have the expertise, tools, and knowledge to integrate the system properly without damaging your vehicle’s wiring or electronics.

    • Expert Installation: Professionals ensure correct wiring, secure mounting, and proper calibration of audio/video settings.
    • Warranty Protection: DIY installations can void manufacturer or system warranties. Professional work often comes with its own service guarantee.
    • Compatibility Checks: Technicians verify that the new DVD player is compatible with your Kia Soul’s existing infotainment, steering wheel controls, and backup camera (if equipped).
    • Time & Safety: A qualified installer completes the job efficiently and safely, minimizing risks like electrical shorts or loose components.

    To find a reputable installer, search for local shops specializing in automotive electronics or authorized dealers for popular aftermarket brands like Pioneer, Sony, or Kenwood.

    Q2: How to Prevent Screen Interference from External Power Sources?

    Screen flickering or signal disruption caused by external power sources (e.g., alternators, mobile devices, or radio transmitters) can degrade your viewing experience. Here’s how to minimize interference:

    • Use Hardwired Systems: Factory or high-quality aftermarket systems are hardwired into the vehicle’s electrical system, which provides stable power and reduces susceptibility to interference.
    • Shielded Cables: Ensure all video and power cables are properly shielded. High-quality coaxial or HDMI cables with ferrite cores help block electromagnetic interference (EMI).
    • Proper Grounding: A solid ground connection prevents voltage fluctuations that cause screen noise or blackouts.
    • Routing Wires Away from Power Lines: Keep signal cables separated from high-current wires (like those going to the battery or amplifier) to avoid cross-interference.
    • For Portable Units: If using a portable DVD player or tablet, consult the manufacturer or installer about adding EMI filters or using shielded enclosures.

    These steps are crucial for maintaining clear video playback, especially during long drives or in areas with high radio frequency activity.

    Q3: Are Kia Souls Recalled for DVD or Infotainment System Issues?

    While there haven't been widespread, official recalls specifically targeting DVD players in Kia Souls, certain model years have experienced known infotainment glitches that prompted service campaigns or technical service bulletins (TSBs).

    • Check Recalls: Visit the official NHTSA Recall Website and enter your Vehicle Identification Number (VIN) to check for active recalls related to your Kia Soul.
    • Contact Kia Directly: Call Kia’s customer service at 1-800-421-4357 or visit your local dealership with your VIN to inquire about any software updates, TSBs, or extended warranties covering infotainment problems.
    • Common Issues Reported: Some owners have reported freezing screens, unresponsive touch controls, or disc-read errors—often resolved through software updates or head unit replacements under warranty.

    Regularly updating your system’s firmware can prevent or resolve many of these issues before they require costly repairs.

    Q4: What Media Formats Do Kia Soul DVD Players Support?

    The supported formats depend on whether you're using the factory-installed system or an aftermarket player. Here’s a breakdown:

    Format Factory DVD System Aftermarket Players
    DVD-Video ✅ Yes ✅ Yes
    MP4 (via USB/SD) ⚠️ Limited (model/year dependent) ✅ Widely Supported
    MOV (via USB/SD) ❌ Rarely Supported ✅ Supported on most models
    AVI, MKV ❌ Not Supported ✅ Supported (with codec compatibility)
    MP3, WMA, AAC ✅ Yes ✅ Yes
    CD, CD-R/RW ✅ Yes ✅ Yes

    Aftermarket players generally offer broader format support and enhanced features like Bluetooth, Apple CarPlay, and Android Auto. Always verify format compatibility before loading media onto USB drives or SD cards.

    Q5: What Are the Most Common Fixes for Faulty DVD Navigation Systems?

    DVD navigation systems in Kia Souls can develop various issues over time. The most frequent problems and their solutions include:

    • Disc Not Reading: The #1 issue. Often caused by a dirty or failing laser lens. Cleaning the drive with a DVD lens cleaner or replacing the optical drive usually resolves this.
    • Freezing or Lagging Interface: Typically due to outdated firmware or corrupted software. A factory reset or firmware update from Kia’s official site can restore functionality.
    • Screen Artifacts or No Display: May indicate a failing LCD screen, loose internal ribbon cables, or GPU issues. Requires disassembly and inspection by a technician.
    • GPS Signal Loss: Check antenna connection or replace the external GPS antenna if damaged. Some models benefit from software recalibration.
    • Unresponsive Touchscreen: Can be fixed by recalibrating the screen or replacing the digitizer if physically damaged.

    Troubleshooting should begin with simple steps—restarting the system, checking connections, and updating software—before moving to hardware replacements. For persistent issues, consult a car electronics specialist or consider upgrading to a modern Android Auto/CarPlay-compatible unit.