Product Description Car Stereo Android Radio CAN Bus Box Decoder Adapter For Pengeot 301 307 308 2008 3008 408 For Citroen C3 C4 C5 DS4 DS5 DS6 -- This device is used for car modification Android radio. It is an accessory used to connect the Android radio and the car cable. The canbus box also provides the ACC, reverse gear, steering wheel and other control signals of the car for the Android radio. -- Before buying, please check whether the cable harness plug and pin function you are using match our canbus box socket . -- After the cable is correctly connected, you also need to operate the Android radio to enter the "factory mode", select "canbus" and set -- If you are unsure fitting, please contact with us for support BEFORE purchase. -- Made in China, top quality. -- The function of the canbus box: 1. Provide ACC on/off signal for Android radio. 2. Provide button light on/off signal for Android radio. 3. Provide revrsing signal for Android radio. 4. Provide car steering wheel button control signal for Android radio. -- For cars with different configurations, the function of canbus will be different. -- The setting method of the canbus box: 1. Operate the Android radio to enter the factory settings. 2. Enter the password, we provide 4 sets of passwords: 3368, 1617, 8317, 8888. If the 4 sets of passwords are not correct, the buyer needs to consult the seller of the Android radio or read the manual of the Android radio to learn how to set the canbus. 3. Select the correct canbus name, select the car model, and complete the setting. 4. If the buyer cannot find his car in the canbus settings, the buyer needs to consult the seller of the Android radio and ask the seller to provide a software update program for the Android radio. 5. Canbus is not set correctly, it may not be able to realize some or all of the functions of canbus. 6. Android radios produced by different manufacturers may have different setting methods for canbus. When buyers encounter problems with canbus settings, they can contact us or the seller of Android radio for help. -- Canbus box Compatibility: