?Steering Wheel Control Function, Backup Camera?Support use the original steering wheel buttons of the car to control the car audio for hyundai elantra, which is more convenient to operate and safer to drive. Waterproof night vision camera, reversing image is clearer. Suitable for parking at night. Note check the radio backup camera resolution. Please enter the radio setting--factory settings--password: 8888--protocol parameter settings--reversing video resolution settings--AHD/25. ?Bluetooth & FM Radio?Bluetooth support incoming and outgoing calls/synchronize address book/support mobile phone music playback. You can transmit music to the car stereo through FM, enjoy the original car stereo, support radio stations (FM 87.5-108), add fun to the boring car journey. ?HiFi Sound Effect, Split Screen?Various popular sound effects can be adjusted at will to enjoy the perfect car audio quality. Click the rectangle at the top of the screen, select a browse page and drag it to the left or right side of the screen. Display on the same screen, the left and right screens can be operated independently. ?WiFi, GPS Navigation?Connect to WiFi, you can download various applications on the upgrade radio for hyundai. You can listen to online music and watch "YouTube" videos. It is as convenient as a large smart phone, adding fun to the journey. Built-in GPS navigation, you can download offline navigation directly from the Play Store. After connecting to wifi, the online map can also be used perfectly. ?Carplay/Android Auto/Mirror Link?The android radio can synchronize the phonebook, email, notification, map, music APP on the phone to the radio, and support call phone voice assistant for voice control. Keep the mobile phone WiFi switch on. Connect Bluetooth, Open the "ZLINK5"APP to automatically connect. Or use a USB cable to connect. Through the mirror link, the screen of the phone can be transmitted to the radio. Select "ZLINK5" , Switch to the "Mirror Link" connection.