For Tiguan 5NA 2017-2019  
For A3 A4 B9 A6 2017-2019

Note: Because the cameras are not the same.

  High line cable compatible, trace line.
 
Note: This is only suitable for gray plug cameras. Not suitable for blue plug cameras.
No installation of additional screens necessary!
Carmatic switching to the rear-view camera at the rear gear
DataCaciques