Roof mounted the roof mounted transponder is recommended for large commercial vehicles such as trucks buses coaches and rvs.
Roof mounted ipass transponder.
The mounting location must provide direct line of sight communication between the transponder and the toll facility s overhead antenna.
Attached to the glass up against that pillar between the roof and rear window glass.
Many of today s luxury and higher end cars use metal oxides in their windshields and that diminishes the signals from regular transponders.
Oct 14 2014 messages.
Roof mounted transponders must be mounted on the roof of the vehicle.
The right side of mirror mount housing.
Mounting tips select a mounting location within 4 inches of the centerline as measured from the right and left sides of the vehicle.
Fme transponders programmed for rooftop must be mounted on the roof of the vehicle.
In such cases special mounting instructions must be followed or an exterior transponder.
I pass mounting instructions ai author.
If the license plate option is unviable then a roof mounted transponder can be utilized.
Not in my line of sight while im driving and still works fine.
Apparently the new version of the model 3 manual has information on where a transponder should be mounted.
The mounting location must provide direct line of sight communication between the transponder and the toll facility s overhead antenna.
Mounting strips are available at no cost at all customer service centers and every manned toll plaza.