Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Rear Climate Control System
The lower buttons on the rear seat audio are used
to adjust the rear seat climate controls. The
temperature of the air coming through the rear
outlets is determined by the front passenger’s
temp ...
Automatic Transmission Shift Lock Control Function Check
WARNING
When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.
1. Before starting this check, be sure there is enough room arou ...
Adding Equipment to the Airbag-Equipped Vehicle
Adding accessories that change the vehicle's frame, bumper system, height, front
end or side sheet metal, may keep the airbag system from working properly. The operation
of the airbag system c ...