1. Setup and Installation
1.1 Applicable Models
This Realdio car radio is designed for Honda Civic models manufactured between 2006 and 2011. Please ensure your vehicle falls within this range for proper fitment and functionality.
Note: This radio supports the stock power amplifier. It is necessary to connect the original amplifier control cable to the red ACC wire of our power cable.

Image: Comparison of the Honda Civic dashboard before and after the Realdio car radio installation. The 'After installation' view shows the 9-inch screen integrated into the dashboard, displaying various app icons. The 'Before installation' view shows the original car radio. A smaller image indicates a unit that is 'Not Fit' with a red cross.
1.2 Included Components
Verify that all components are present in the package:
- 1 x Car Radio
- 1 x Power Cable
- 1 x GPS Antenna
- 1 x Rear Camera Input Cable
- 1 x RCA Cable
- 2 x USB Cable
- 2 x Mounting Bracket
- 4 x Screw
- 1 x User Manual
- 1 x Accessories
- 1 x 3.5mm Microphone

Image: A visual representation of the car radio's dimensions (400mm/15.7inch width, 261mm/10.3inch height) and a detailed packing list including the power cable, RCA cable, USB cable, camera input, GPS antenna, AHD rear camera, microphone, and installation tool.
1.3 Wiring Diagram
Refer to the following diagram for correct wiring connections. Incorrect wiring can damage the unit or vehicle electrical system.

Image: A comprehensive wiring diagram illustrating the connections for the Realdio car stereo, including power, audio out, video out, camera input, GPS antenna, and microphone. Each connection point is numbered for clarity.
1.4 Rear View Camera Installation
The included AHD backup camera requires specific wiring for proper function:
- Connect Cable 1 and Cable 5 to the positive pole of the car reverse light cable.
- Connect Cable 2 to the negative pole of the car reverse light cable.
- Connect Cable 3 and Cable 4.
Note: The reversing input must be plugged in even if the reversing camera is not used.

Image: A diagram detailing the connection steps for the AHD backup camera to the car radio, showing the camera, video output, and power connections to the reverse light circuit.
2. Operating Instructions
2.1 Wireless CarPlay & Android Auto
The unit supports wireless CarPlay and Android Auto for seamless smartphone integration. This allows for hands-free access to navigation, messages, and music playlists.
Video: This video demonstrates the connection process for Wireless CarPlay and Android Auto, as well as Mirror Link functionality. It shows how to pair a smartphone via Bluetooth and then connect to CarPlay or Android Auto, displaying the phone's interface on the car radio screen.

Image: A graphic illustrating the wireless CarPlay and Android Auto features, along with wireless and wired Mirror Link. It shows smartphone screens mirrored on the car radio display, highlighting navigation, music, and communication apps.
2.2 Built-in GPS & WiFi
The integrated GPS module provides navigation with both offline and online map support. Connect to a WiFi hotspot or tethering from your smartphone to update maps, stream music, and access online services.

Image: Displays the GPS navigation interface with map data and voice command options. Below, it shows the WiFi connection feature, indicating the ability to browse the web and stream content.
2.3 FM/RDS Radio & EQ
The FM/RDS radio offers 54 preset stations for clear local broadcasts. Utilize the multiple EQ settings to customize audio output for various content types, such as news, podcasts, or different music genres.

Image: Shows the Bluetooth interface for calls and music streaming, the FM/RDS radio tuner with station presets, and the multi-band equalizer for sound customization.
2.4 Steering Wheel Control
The unit supports original steering wheel controls, allowing you to manage various functions directly from your steering wheel for enhanced convenience and safety while driving.

Image: Depicts the car radio's interface for learning and assigning functions to the original car steering wheel controls, such as volume, mode, and track skipping.
2.5 In-Cell Touch Screen
The 9-inch In-Cell touch screen offers a thin, bright, and ultra-responsive display, similar to a modern smartphone, optimized for in-car use.

Image: Highlights the benefits of the In-Cell Panel: light and thin, HD clear, and sensitive. It also shows examples of split-screen functionality and custom desktop app layouts.

Image: A visual comparison between an In-cell Panel (our screen) and an On-cell Panel (other screen), emphasizing the thinner, brighter, and more responsive nature of the In-cell technology versus the bulkier, dimmer, and less responsive On-cell alternative.
2.6 Split-Screen and Picture-in-Picture
Enhance multitasking with split-screen functionality, allowing two applications to run side-by-side. The picture-in-picture feature enables a video or navigation window to float over other applications.

Image: Illustrates the Picture-in-Picture mode for video playback, the Split-Screen function for running two apps simultaneously, and customizable desktop app layouts.
3. Maintenance
To ensure the longevity and optimal performance of your Realdio car radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents that could damage the surface.
- Temperature: Avoid exposing the unit to extreme temperatures, both hot and cold, for extended periods.
- Moisture: Keep the unit dry. Moisture can cause internal damage.
- Software Updates: Periodically check for available software updates to ensure the system runs efficiently and has the latest features.
4. Troubleshooting
If you encounter issues with your Realdio car radio, refer to the following common troubleshooting steps:
- No Power: Check all power connections and ensure the vehicle's ignition is on. Verify the fuse is intact.
- No Sound: Check speaker connections. Ensure volume is not muted or set to zero. Verify audio output settings.
- Touch Screen Unresponsive: Try restarting the unit. Ensure the screen is clean and free of debris.
- Bluetooth/CarPlay/Android Auto Connection Issues: Ensure Bluetooth is enabled on both the radio and your phone. Forget and re-pair the device. Check for any software updates for the radio or your phone.
- GPS Signal Loss: Ensure the GPS antenna is properly installed and has a clear view of the sky.
- Backup Camera Not Displaying: Verify the camera's power and video input connections. Ensure the vehicle is in reverse gear.
If problems persist after attempting these steps, please contact customer support.
5. Specifications
| Feature | Detail |
|---|---|
| Item Weight | 9.26 pounds |
| Product Dimensions | 5.31 x 11.02 x 3.54 inches |
| Display Size | 9 Inches |
| Voice Command | Touchscreen |
| Screen Size | 9 Inches |
| Special Feature | 4+64GB, BT/EQ/FM/RDS, Built-in WiFi & GPS, In-cell Touch Screen, Wireless CarPlay & Android Auto |
| Connectivity Technology | Wireless/Bluetooth/WiFi |
| Map Type | North America |
| Audio Output Mode | APE/FLAC/WAV/MP3/WMA etc |
| Mounting Type | Dashboard Mount |
| Operating System | Android, iOS |
6. Warranty
This Realdio car radio comes with a 1-Year Warranty from the date of purchase, covering manufacturing defects and quality-related issues. Please retain your proof of purchase for warranty claims.
7. Support
For technical assistance, troubleshooting, or any inquiries regarding your Realdio car radio, please contact our support team:
- Email: realdioservices@163.com
- We offer fast response within 24 hours.
- Our professional team is available to provide support.
You can also visit the Realdio Store on Amazon and click 'Ask a question' for direct assistance.