Apparently the new version of the model 3 manual has information on where a transponder should be mounted.
Ipass roof mounted transponder.
The right side of mirror mount housing.
Attached to the glass up against that pillar between the roof and rear window glass.
The surcharge will be added to the standard toll charge on your account statement.
3 must be used and the transponder should be mounted behind the rearview mirror.
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.
If there is insufficient room the alternate location shown in fig.
Diode dynamics sl1 led headlights.
Many of today s luxury and higher end cars use metal oxides in their windshields and that diminishes the signals from regular transponders.
The mounting location must provide direct line of sight communication between the transponder and the toll facility s overhead antenna.
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.
Between the exposed edge of the windshield roof line and the rear view mirror post as long as the clearances in fig.
In such cases special mounting instructions must be followed or an exterior transponder.
Roof line minimum 1 inch minimum 1 inch mirror post i pass label faces driver rearview mirror.
Roof mounted transponders must be mounted on the roof of the vehicle.
2 can be maintained.
The roof mounted transponder is recommended for large commercial vehicles such as trucks buses coaches and rvs.
The mounting location must provide direct line of sight communication between the transponder and the toll facility s overhead antenna.
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