Area permeable to radio waves on the
windshield
Radio-controlled equipment, such as toll sys‐
tems, can be mounted only on areas 1 of the
windshield that are permeable to radio waves.
Areas permeable to radio waves 1 are best visi‐
ble from outside the vehicle when the windshield
is illuminated with an external light source.
Note this position for vehicles with:
R
Windshield heating
R
Infrared reflective windshield
Infrared-reflective windshield function
The infrared-reflective windshield is coated and
reduces the build-up of heat in the vehicle inte‐
rior.
The coating shields the vehicle interior from
radio waves.
Light and visibility
121