Infrared reflective windshield
The infrared reflecting glass prevents the vehicle interior from becoming too hot. It also blocks radio waves up into the gigahertz range.

In order to operate radio-controlled equipment, e.g. toll recording systems, areas 1 on the windshield are permeable to radio waves. In these areas, you can install radio-controlled systems.
These areas can best be seen from outside the vehicle by observing the light reflected off the windshield.
See also:
Vanity mirror in the sun visor
Mirror light 1 only functions if the sun visor
is clipped into retainer 2 and mirror cover
5 has been folded up. ...
Infrared light (Night View Assist Plus)
•► Switch off the lights.
•► Open the hood.
•► Turn housing cover 1 counter-clockwise
and pull it out.
•► Turn bulb 2 counter-clockwise and pull it
out.
•► Inse ...
Unlocking the trunk (mechanical key
The trunk lid swings upwards
when
opened. Therefore, make sure that there is
sufficient clearance above the trunk lid.
If the trunk cannot be unlocked with the
SmartKey or KEYLESS-GO, use th ...
