Joying Technology Co., Ltd

Full Version: Backup camera and Steering controls with 2017 Corolla iM
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If I get this one.
https://www.joyingauto.com/new-released-screen-10-1-android-car-music-media-supports-4g-module.html

What will I need to do to use the backup camera and steering wheel controls I already have in my car?

Thanks.