Fig. 79 Metal-coated windscreen for infrared reflection with communication window (blue area)
Insulating glass windscreens have a coating which reflects infrared radiation. There is a non-coated area above the interior mirror (communication window) which ensures that electronic accessories, for example remote controls, can function properly.
The uncoated area may not be covered either from the outside or the inside nor may any stickers be applied to this area as the electronic components may otherwise malfunction.
Volkswagen Touran Owners Manual. Checklist
To ensure your own safety and the safety of your passengers, observe
the following points in the order given :
Find a flat and firm surface suitable for
lifting the vehicle.
Stop the engine, select a gear of the manual
gearbox or move the selector lever of the automatic gearbox ...
Volkswagen Touran Service Manual. CAN Bus Wires, Repairing
Unshielded two-strand wiring -1-
and -2- with a cross section of
0.35 mm2 or 0.5 mm2
can be used as CAN bus wiring.
The color coding of CAN bus wires can be found in the
following table:
...