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Home >> Chevrolet >> 2020 >> Impala Premier >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Remote Functions System >> Diagnostic Information and Procedures >> Electronic Toll Collection System Malfunction >> Circuit/System Description

Circuit/System Description

The electronic toll collection system uses power and ground from the inside rearview mirror. The components of the electronic toll collection system are internal to the inside rearview mirror and not serviceable.