Area permeable to radio waves on the wind-
shield
Radio-controlled equipment such as toll systems
can be mounted only on areas 1 of the wind-
shield 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
Infra-red reective windshield
Infrared-reective windshield function
The infrared-reective windshield is coated and
reduces the build-up of heat in the vehicle interior.
The coating shields the vehicle interior from radio
waves.
136
Light and visibility