Introduction
This manual provides instructions for the installation and operation of the Ezonetronics Wireless CarPlay Android Auto Decoder Retrofit Kit. This device integrates wireless CarPlay and Android Auto functionalities into compatible Peugeot and Citroen vehicles equipped with SMEG/MRN 7-inch OEM displays, while retaining original vehicle controls. Please read this manual thoroughly before installation and use.
Compatible Vehicle Models
This retrofit kit is designed for specific Peugeot and Citroen models equipped with the SMEG/MRN system and a 7-inch OEM screen. Refer to the table below for compatible models and years. If you are unsure about your vehicle's system compatibility, please contact us with a photo of your system's version number and central control unit.

Image: Compatible Model Table. This table lists Peugeot models (308, 508, 208, 2008) from 2013-2018 and Citroen models (C4 Picasso, C4 Grand Picasso, DS5, DS4, C4L, C4, C3, DS3, C5, C4 Cactus) from 2013-2018, all compatible with 7-inch screens and SMEG/MRN systems.

Image: How to Check Your Car's System. This image shows two car infotainment screens, illustrating how to access system information to verify if your vehicle has a SMEG or MRN system. It advises holding a button for 3 seconds to display version information.
What's in the Box
Upon opening the package, please verify that all the following components are included:
- 1 x Ezonetronics CarPlay Unit
- 1 x Power Cable Harness
- 1 x RCA/USB Cable
- 1 x LVDS Input/Output Cable
- 1 x WiFi Antenna
Setup and Installation
The Ezonetronics Retrofit Kit is designed for a plug-and-play installation, minimizing the need for cutting or modifying original vehicle wiring. It is not necessary to remove the factory screen during installation.
General Installation Steps:
- Preparation: Ensure the vehicle's ignition is off and the battery is disconnected before starting the installation.
- Access the Head Unit: Carefully remove the necessary trim panels to gain access to the back of your vehicle's OEM head unit.
- Connect the Decoder: Connect the provided power cable harness, RCA/USB cable, and LVDS input/output cable to the corresponding ports on the Ezonetronics CarPlay unit and your vehicle's wiring. Refer to the connection diagram for detailed wiring.
- Install WiFi Antenna: Connect the WiFi antenna to the CarPlay unit and position it for optimal signal reception.
- Test Functionality: Before reassembling the dashboard, reconnect the battery and test all functions of the CarPlay unit (CarPlay, Android Auto, MirrorLink, sound, controls, camera inputs).
- Reassemble: Once all functions are confirmed, carefully reassemble the trim panels.
Connection Diagram:

Image: Connection Diagram & Product Information. This diagram illustrates the wiring connections for the multimedia video interface, including LVDS, USB, power, camera inputs (front and rear CVBS), microphone, and WiFi antenna. It also shows the dimensions of the main unit.
Operating Instructions
The Ezonetronics Retrofit Kit enhances your driving experience by integrating modern smartphone functionalities into your vehicle's existing display.
Switching Between Systems:
After installation, you can switch between your vehicle's original system and the CarPlay/Android Auto interface using a dedicated button or by holding a specific button on your car's controls. This allows seamless integration without losing access to original vehicle functions.

Image: Dual System Switching. This image displays three car screens showing the CarPlay interface, the original car system information, and the Android Auto interface, demonstrating the ability to switch between them.
Wireless CarPlay:
Connect your iPhone wirelessly to access Apple CarPlay. This allows you to use navigation, make calls, send messages, and listen to music directly from your car's display, mirroring your iPhone's interface.

Image: Wireless CarPlay. This image shows the Apple CarPlay interface on a car's dashboard screen, featuring navigation, music, and communication apps. It highlights the wireless connectivity.
Wireless Android Auto:
Connect your Android smartphone wirelessly to use Android Auto. Enjoy features like Google Maps navigation, music streaming, and voice commands for a safer and more convenient driving experience.

Image: Wireless Android Auto. This image displays the Android Auto interface on a car's dashboard screen, showing navigation, music playback, and phone call options, emphasizing wireless connection.
MirrorLink:
The kit supports MirrorLink, allowing you to mirror your smartphone's screen directly onto the car's display. This feature provides flexibility for content streaming.

Image: MirrorLink. This image shows a smartphone screen being mirrored onto the car's infotainment display, demonstrating the MirrorLink functionality for streaming content.
Voice Control:
Utilize intelligent voice assistants like Siri (for CarPlay) or Google Assistant (for Android Auto) to control navigation, music, calls, and messages hands-free. This enhances safety and convenience while driving.

Image: Smart Voice Assistant. This image illustrates the voice assistant interface on a car's screen, showing Siri and Google Assistant prompts for navigation and other commands.
Original Controls Retention:
The retrofit kit is designed to retain the functionality of your vehicle's original controls, including steering wheel buttons, rotary knobs, and the original touchscreen. This ensures a familiar user experience.

Image: Compatible with Original System. This image shows how the system integrates with the car's original controls, including a rotary knob, steering wheel buttons, and the touchscreen, maintaining their functionality.
Navigation:
Access various online and offline GPS navigation applications such as Google Maps, Apple Maps, and Waze. The system provides real-time traffic information updates for efficient route planning.

Image: Online/Offline GPS Navigation Support. This image shows a car's dashboard screen with various navigation apps (Waze, Google Maps, Apple Maps) integrated, indicating support for both online and offline GPS.
Multi-Application Support:
The system supports multiple applications, allowing you to stream music from your phone or USB devices with high-fidelity sound quality. Enjoy your favorite audio content seamlessly.

Image: Multi-Application Support. This image displays two car screens showing different music playback applications, highlighting the system's ability to support multiple apps and provide high-fidelity audio.
Maintenance
The Ezonetronics Wireless CarPlay Android Auto Decoder Retrofit Kit requires minimal maintenance. Keep the unit and connections free from dust and moisture. Avoid using harsh chemicals for cleaning. Ensure all cables are securely connected to prevent signal loss or intermittent functionality.
Troubleshooting
If you encounter issues with your retrofit kit, consider the following common solutions:
- No Power/No Display: Check all power connections to ensure they are secure. Verify that the vehicle's battery is properly connected.
- Intermittent Connectivity: Ensure the WiFi antenna is securely attached and positioned correctly. Check Bluetooth connections for your smartphone.
- Sound Issues: Verify audio cable connections. Ensure the car's audio input is correctly selected (e.g., AUX input).
- Control Issues: Confirm that all original vehicle control connections are properly made.
- General Malfunctions: Many problems can be resolved by ensuring all cable connections are correct and settings are properly configured. It is recommended to test all functions before fully reassembling the dashboard.
If problems persist after checking connections and settings, please contact Ezonetronics customer support for assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | Ezonetronics |
| Model Number | RM-AD3502Q |
| Connectivity Technology | Auxiliary, Bluetooth, USB, Wi-Fi |
| Controller Type | Push Button, Voice Control |
| Special Features | Android Auto, Apple CarPlay, Integrated Bluetooth, GPS Navigation, Supports original car button control, steering wheel control, voice command, Supports aftermarket rearview cameras and 360-degree cameras, Integrated Wi-Fi |
| Compatible Devices | Smartphone |
| Total HDMI Ports | 2 |
| Audio Output Mode | Stereo |
| Surround Sound Channel Configuration | 5.1 |
| Video Encoding | PAL, NTSC, CVBS |
| Number of Channels | 2 |
| Internet Application Support | Netflix, Pandora, YouTube |
| Audio Output Type | Bluetooth, RCA |
| Digital Media Format | PAL |
| Wireless Technology | Wi-Fi |
| Manufacturer | Rhythm Electronics Limited |
| Country of Origin | China |
Warranty and Support
Ezonetronics is committed to providing quality products and customer satisfaction. For any questions or issues with your product, please do not hesitate to contact our customer support team. We are dedicated to assisting you at any time to ensure your complete satisfaction.
Please refer to your purchase documentation for specific warranty terms and conditions.