Intelligent System Car Radio Head Unit User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your new Car Radio Head Unit. Designed for VW Golf 4 IV and Jetta MK4 models from 2004-2008, this intelligent system features Apple CarPlay, Android 13 Auto, a 9-inch display, GPS navigation, WIFI connectivity, and Bluetooth. Please read this manual thoroughly before using the product to ensure proper functionality and safety.

2. Package Contents

Please check the package carefully to ensure all items are present and undamaged:

• Car Radio Head Unit (9-inch display)
• AHD Camera
• Cooling Fan
• Power Cable
• RCA Input/Output Cables
• 2 USB Cables (4-pin and 6-pin)
• Camera Input Cable
• GPS Antenna
• User Manual (this document)
• Canbus Box
• Radio Adaptor
• Mounting Brackets and Screws

3. Specifications

4. Installation Guide

Professional installation is highly recommended. Incorrect installation may damage the device or your vehicle. Ensure the vehicle's power is disconnected before starting installation.

4.1 Pre-Installation Check

• Verify all package contents against the list in Section 2.
• Ensure the vehicle is compatible with the head unit (VW Golf 4 IV Jetta MK4 2004-2008).
• Gather necessary tools (screwdrivers, wire strippers, electrical tape, etc.).

4.2 Wiring Diagram

Refer to the following diagram for proper wiring connections:

1. Power Cord (1): Connect the main power harness to the vehicle's power supply, ensuring correct positive, negative, and accessory connections.
2. RCA Cable (2): Connect the RCA input/output cables for external amplifiers, subwoofers, or auxiliary video inputs/outputs.
3. CPU Fan (3): Connect the CPU fan cable to the designated port on the head unit for optimal cooling.
4. 4Pin USB (4): Connect the 4-pin USB cable for external USB devices.
5. 6Pin USB (5): Connect the 6-pin USB cable for additional external USB devices.
6. Reverse Control Cable (6): Connect this cable to the vehicle's reverse light signal for automatic rear camera activation.
7. Radio (7): Connect the radio antenna.
8. GPS Module (8): Connect the GPS antenna to the head unit and mount it in a location with a clear view of the sky for optimal signal reception.
9. Camera Input: Connect the AHD camera input cable to the designated port.
10. Canbus Box: Integrate the Canbus box as per your vehicle's specific requirements to enable steering wheel controls and other vehicle data communication.

4.3 Post-Installation

• Securely mount the head unit in the dashboard using the provided brackets.
• Reconnect the vehicle's power.
• Test all functions, including power on/off, audio, touch screen, GPS, Bluetooth, and camera input.

5. Operating Instructions

5.1 Basic Operation

• Power On/Off: Press and hold the power button on the front panel or use the vehicle's ignition.
• Touch Screen: Navigate the interface by tapping, swiping, and pinching on the 9-inch QLED touch screen.
• Volume Control: Adjust volume using the on-screen controls or steering wheel buttons (if connected via Canbus).

5.2 User Interface and Customization

The head unit runs on Android 13, offering a customizable interface. You can switch between 18 different UI themes to personalize your experience.

The main interface provides quick access to essential functions and applications. Day and Night modes are available for optimal visibility.

5.3 Navigation (GPS)

The unit features built-in dynamic maps and supports both online and offline navigation. Ensure the GPS antenna is properly connected and positioned for accurate location services.

5.4 Connectivity

• WiFi (2.4G+5G): Connect to available WiFi networks to access online content, stream videos, and download apps from the Play Store.





• Bluetooth 5.4: Pair your smartphone for hands-free calling and audio streaming. The upgraded Bluetooth 5.4 offers improved connection range, stability, and transmission speed.





• 4G Network Support: Insert a compatible SIM card (if applicable to your model) for mobile data access.

5.5 Smartphone Integration

• Apple CarPlay & Android Auto: Connect your iPhone or Android smartphone via USB to access compatible apps, navigation, music, and voice assistants directly on the head unit's screen.

5.6 Multimedia Playback

• Video Playback: Supports 4K UHD video decoding for high-quality image information.



• Audio Playback: Utilize the built-in DSP power amplifier for an adjustable stereo surround listening experience. Multi-field switching allows control of sound in different areas of the car.



• FM/RDS Radio: Tune into your favorite radio stations with FM/RDS support.

5.7 Advanced Features

• Split-Screen Application: Run two applications online simultaneously for enhanced multitasking.
• Steering Wheel Control: Quickly operate the head unit while driving, safely making calls, listening to music, etc., if connected via Canbus.



• AHD Rear View Camera: Supports high-definition rear view camera with night vision and 170° wide-angle for clear and safe reversing.



• Cooling Fan Control: The cooling fan can be adjusted automatically or manually based on CPU temperature to ensure efficient heat dissipation.

5.8 Product Demonstration Video

Watch this video for a visual demonstration of the product's features and user interface:

6. Maintenance

• Cleaning: Use a soft, dry cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents.
• Software Updates: Periodically check for system updates via the device's settings to ensure optimal performance and access to new features.
• Temperature Management: The built-in cooling fan helps manage the CPU temperature. Ensure the fan is not obstructed to prevent overheating.
• Cable Connections: Regularly check all cable connections to ensure they are secure and free from damage.

7. Troubleshooting

If you encounter any issues with your head unit, please refer to the following common troubleshooting steps:

• No Power:
  • Check all power connections (positive, negative, accessory) to ensure they are securely connected.
  • Verify the vehicle's fuse for the radio is intact.
• No Sound:
  • Check speaker wire connections.
  • Ensure the volume is not muted or set too low.
  • Verify audio settings in the DSP equalizer.
• GPS Signal Issues:
  • Ensure the GPS antenna is mounted in a location with a clear view of the sky.
  • Check the GPS antenna connection to the head unit.
• Bluetooth Connectivity Problems:
  • Ensure Bluetooth is enabled on both the head unit and your mobile device.
  • Delete previous pairings and try re-pairing the devices.
• Touch Screen Unresponsive:
  • Perform a soft reset of the unit (refer to the "Restart" option in the UI or power cycle the device).
  • Ensure the screen is clean and free from debris.
• Canbus/Steering Wheel Control Not Working:
  • Verify the Canbus box is correctly installed and connected.
  • Check the steering wheel control settings in the head unit's menu.

For persistent issues, please consult a professional installer or contact customer support.

8. User Tips

• Optimize Cooling: Utilize the cooling fan control feature to manually adjust fan speed during prolonged use or in hot climates to maintain optimal CPU temperature.
• Personalize Your Experience: Explore the 18 UI themes to find a look that best suits your style.
• Maximize Multitasking: Take advantage of the split-screen function to run navigation and music simultaneously for a more convenient driving experience.
• Regular Updates: Keep the Android system updated to benefit from the latest features and security enhancements.

9. Warranty and Support

For any warranty claims or technical support, please refer to the contact information provided by your retailer or the manufacturer's official website. Keep your purchase receipt as proof of purchase.

This product is designed for specific vehicle models and years. Ensure compatibility before attempting installation.