Hieha CP02
Hieha Wireless Carplay Screen User Manual
Model: CP02
Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your Hieha Wireless Carplay Screen (Model CP02). Please read this manual thoroughly before using the device to ensure proper functionality and safety.
The Hieha Wireless Carplay Screen is a 7-inch HD portable touchscreen car stereo designed to integrate seamlessly with your vehicle, offering Apple CarPlay, Android Auto, Mirror Link, Bluetooth, GPS Navigation, and a backup camera for enhanced driving experience.

Figure 1: Hieha Wireless Carplay Screen and its components, including the main unit, backup camera, and mounting options.
Package Contents
Verify that all items are present in the package:
- Wireless Car Stereo Unit (7-inch HD Portable Touchscreen)
- Power Cable
- AUX Cable
- Backup Camera (Waterproof, HD, Night Vision)
- Suction Cup Mount
- Self-adhesive Bracket
- User Manual (this document)

Figure 2: Visual representation of the package contents and device dimensions.
Setup and Installation
The Hieha Wireless Carplay Screen is designed for easy installation and is compatible with a wide range of vehicles (DC 12V~24V), including cars, RVs, pickups, trucks, caravans, vans, and campers. No specialized installation skills are required.
Mounting the Device
Choose between the rotatable suction cup mount or the self-adhesive bracket to fix the display screen to your dashboard console or windshield.
- Suction Cup Mount: Clean the desired mounting surface (windshield or smooth dashboard). Attach the suction cup firmly by pressing down and engaging the lever. Adjust the angle for optimal viewing.
- Self-adhesive Bracket: Clean and dry the desired mounting surface thoroughly. Peel off the protective film from the adhesive bracket and firmly press it onto the surface for at least 30 seconds. Allow the adhesive to cure for 24 hours before attaching the main unit.

Figure 3: The Hieha screen offers simple installation without complex wiring, unlike traditional car stereos.
Connecting Power
Connect the provided power cable to the device and plug the other end into your vehicle's 12V-24V power outlet (cigarette lighter socket).
Backup Camera Installation (Optional)
For enhanced safety during parking, install the included waterproof HD rear view camera:
- Mount the backup camera at the rear of your vehicle, ensuring a clear view.
- Connect the camera's video cable to the AV IN port on the main unit.
- Connect the camera's power cable to your vehicle's reverse light circuit so it activates automatically when reversing.

Figure 4: Wiring diagram for the optional HD backup camera, showing connection to the main unit and vehicle's reverse lights.

Figure 5: Key features of the backup camera, including wide-angle view and night vision capabilities.
Operating Instructions
Powering On/Off
The device will typically power on automatically when your vehicle starts. To manually power off, press and hold the power button located on the side of the unit.
Touchscreen Navigation
The 7-inch HD touchscreen is highly sensitive and allows for intuitive navigation through menus and applications. Swipe left or right to access different screens and tap icons to open applications.

Figure 6: The Hieha screen features a high-resolution, sensitive 2.5D touchscreen for clear visuals and responsive interaction.
Wireless Apple CarPlay & Android Auto
Connect your smartphone wirelessly to access navigation, calls, messages, and music through the screen.
- Ensure Bluetooth and Wi-Fi are enabled on your smartphone.
- On the Hieha screen, select the "CarPlay" or "Android Auto" icon.
- Follow the on-screen prompts to pair your phone via Bluetooth. Once paired, the system will automatically establish a Wi-Fi connection for CarPlay or Android Auto functionality.

Figure 7: The screen seamlessly integrates with Apple CarPlay and Android Auto for a connected driving experience.

Figure 8: Wireless connectivity for Apple CarPlay and Android Auto provides access to essential smartphone features.
Mirror Link Function
The Mirror Link function allows you to display your smartphone's screen directly onto the Hieha unit, supporting both Android and iOS devices. This is ideal for viewing videos or other content not directly supported by CarPlay/Android Auto.
- Select the "Mirror Link" icon on the Hieha screen.
- Follow the specific instructions displayed on the screen for your device type (Android or iOS) to establish the connection.

Figure 9: Mirror Link allows for screen mirroring from your smartphone, enhancing entertainment options.

Figure 10: Enjoy full HD video by mirroring your phone's display to the Hieha screen.
Audio Output Modes
The Hieha screen offers multiple ways to output audio to your car's speakers for an enhanced sound experience:
- Bluetooth Connection: Connect the Hieha screen to your car's existing Bluetooth system to transmit audio wirelessly.
- AUX Connection: Use the provided AUX cable to connect the Hieha screen to your car's AUX input.
- FM Transmitter: Tune the Hieha screen to an unused FM frequency, then tune your car's radio to the same frequency to receive audio.
- Built-in Speakers: The unit has built-in speakers for direct audio output, suitable for basic use.

Figure 11: Various audio output options provide flexibility for connecting to your vehicle's sound system.

Figure 12: The Hieha screen offers multiple audio output modes for a superior music experience.
Voice Control (Siri & Google Assistant)
Utilize voice commands for hands-free control of navigation, calls, messages, and music through Apple CarPlay or Android Auto. Simply activate Siri or Google Assistant via the screen or your phone's voice command button.

Figure 13: Hands-free control with Siri and Google Assistant for safer driving.
GPS Navigation
Access real-time GPS navigation through Apple CarPlay or Android Auto using your preferred mapping applications (e.g., Google Maps, Apple Maps). The large screen provides clear visual directions.

Figure 14: Real-time GPS navigation for a smooth and informed journey.
Customizing Boot Logo
The device supports customizing the boot logo. For instructions and assistance with this feature, please contact the Hieha technical support team.
Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the screen and device body. For stubborn smudges, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive cleaners.
- Temperature: Avoid exposing the device to extreme temperatures (hot or cold) for prolonged periods, as this can affect performance and lifespan.
- Storage: If storing the device for an extended period, disconnect it from power and store it in a cool, dry place.
- Cables: Regularly check all cables for any signs of wear or damage. Replace damaged cables immediately to prevent malfunction or safety hazards.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power supply; loose connection. | Ensure the power cable is securely plugged into the device and the vehicle's 12V-24V outlet. Check if the vehicle's power outlet is functional. |
| Cannot connect to Apple CarPlay/Android Auto wirelessly. | Bluetooth/Wi-Fi off; incorrect pairing; interference. | Ensure Bluetooth and Wi-Fi are enabled on your phone. Forget the device in your phone's Bluetooth settings and re-pair. Move closer to the device if possible. |
| No audio output or poor sound quality. | Incorrect audio output mode selected; loose AUX cable; FM interference. | Verify the correct audio output mode (Bluetooth, AUX, FM) is selected on the device and your car stereo. Ensure AUX cable is fully inserted. For FM, try a different, clearer frequency. |
| Backup camera image not displayed. | Camera cable loose; incorrect wiring; camera malfunction. | Check the AV IN connection on the main unit. Ensure the camera is correctly wired to the vehicle's reverse lights. Test the camera connection. |
| Touchscreen unresponsive. | Temporary software glitch; screen protector interference. | Restart the device by disconnecting and reconnecting power. Ensure no debris or poorly applied screen protector is interfering with touch input. |
If the problem persists after attempting these solutions, please contact Hieha customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | CP02 |
| Brand | Hieha |
| Screen Size | 7 Inches |
| Display Type | LCD |
| Color | Black |
| Operating Voltage | DC 12V~24V |
| Item Weight | 1.87 pounds |
| Package Dimensions | 11.54 x 7.28 x 4.02 inches |
Warranty and Support
Hieha is committed to providing excellent customer service and product support.
- Money-Back Guarantee: 30-day money-back policy.
- Replacement Warranty: 12-month replacement warranty.
- Technical Support: Lifetime technical support is available for any questions regarding installation or usage.
For technical assistance or warranty claims, please contact Hieha customer support through the retailer where you purchased the product or visit the official Hieha website for contact information.
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