Q:

I can't see the reverse screen when my car is in reverse.

A:

1.Please make sure your car is equipped with a reversing camera or a subsequent retrofitted reversing camera.
If it was retrofitted, please select: Aftermarket Camera,
If your car comes with a reversing camera, please select: OEM Camera.

Routes：Settings-System-Camera Selection

2.If selecting the correct camera still doesn't work, go to Factory Mode Gear Selection 1 2 3 and try them all.

Routes：Settings-Factory（Key：2018）-Vehicle-Gear Selection

3.The correct CAN protocol is to be selected for Mercedes NTG 5.0/5.1/5.2 system models:
Mercedes-Benz C-Class, GLC, V-Class, X-Class select 0 item: 5.0
Mercedes-Benz A-Class, CLA, GLA, G-Class, E-Class, CLS, B-Class, SLK, GLE, GLS choose 1 item: 5.1

Routes：Settings-Factory（Key：2018）-CAN Protocol

4.If all the above options are done and it still doesn't work, please check the fiber optic.  Click for details