Compatible Vehicles: for Toyota Corolla 2013-2016 Note: 1.Vehicle Compatibility Chart May Vary Depending On Vehicle Options, Production Dates, And Install Application. Please Inquire Before Purchase. 2.Wire Harness Does Not Work On Vehicles With Premium Factory Sound System. 3. Wiring Harness Is NOT Compatible With Premium BOSE, Amplified Sound Systems And Onstar. 4. Please Verify Your Vehicle's Original Sound System Specifications Before Purchasing Your Harness. Wireless Carplay: You can choose wired connection or wireless connection to carplay, connect to Apple mobile phone, access mobile phone address book, mail, notification, map navigation, music, video and other information, and realize voice control. Wireless Android auto: The Wireless Android auto car system can closely integrate the user's Android phone and player, and realize navigation, make calls, send and receive information, listen to music and other operations through data cable connection. Plug and play - Wired USB / Wireless Wifi connection. Once you connect your phone, you can enjoy the intelligent companion. Supports most apps such as Waze map, Amazon Music, Spotify, Pandora, etc. Built-in GPS Navigation: Users can purchase directly from play store for offline navigation. With wifi connected, online Maps can be used perfectly, you can go anywhere you want and never get lost again.Built-in WIFI: Connect to WIFI, and you will find a new world，the most convenient one is the online map.Support Voice control - sumake calls, access map navigation via Siri (iOS) or navigation assistant (Android). SWC Simply follow the instruction manual and connect your vehicle's SWC cable to the corresponding interface of this device. You can control the Bluetooth car radio via the steering wheel buttons of the vehicle, which makes your ride more convenient.* If the SWC has a digital signal output (controlled by CANBUS), you need to buy a SWC adapter that can convert the digital signal into an analogue signal. * Not suitable for all vehicle models. Some vehicle models cannot support the protocol. Rear View Camera Reversing power cable: black cable to the negative pole of the battery, red cable to the positive pole of the battery (the short red cable on the RCA plug does not need to be connected to anything). The reverse or back in marked reverse sensor cable is connected to the positive pole of the reversing headlight which is the reversing trigger cable. the input. plug for the video signal of the camera is correctly connected to the back of the radio.The camera automatically switches to reverse view when reversing and parking Here are some phenomena users usually meet: 1. When you insert the reverse gear, the camera LED lights up, but nothing changes on the screen. But when I click on the AV-in icon, I can see the camera image.Reason: Incorrect wiring of RCA cable and trigger cable2. When I insert the reverse gear, the camera LED lights up, and the screen will show a blue indicator with "no signal". However, if I click on the AV-in icon, I can see the camera image.Reason: Incorrect connection of the RCA cable to the video input, instead of the CAMIN port.3. When I put in the reverse gear, the camera LED lights up, but nothing changes on the screen. When I click on the AV-in icon, I can't see anything.Reason: Incorrect wiring of the trigger cable. Here are some phenomena users usually meet: 1. When you insert the reverse gear, the camera LED lights up, but nothing changes on the screen. But when I click on the AV-in icon, I can see the camera image.Reason: Incorrect wiring of RCA cable and trigger cable2. When I insert the reverse gear, the camera LED lights up, and the screen will show a blue indicator with "no signal". However, if I click on the AV-in icon, I can see the camera image.Reason: Incorrect connection of the RCA cable to the video input, instead of the CAMIN port.3. When I put in the reverse gear, the camera LED lights up, but nothing changes on the screen. When I click on the AV-in icon, I can't see anything.Reason: Incorrect wiring of the trigger cable. AUX/USB/TF card slot Support Bluetooth/AUX/USB/TF card slot, you can enjoy the music and videos on your car at any time through multiple channels. FM Radio Online music you can transfer the music to the car stereo by FM to enjoy the original car stereo sound,with 18 preset stations Bluetooth support for incoming and outgoing calls / synchronous address book / support for music playback of mobile phones / support for voice functions.