See also:

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 o ...

Vehicles Without a Navigation System
When the vehicle is on and the driver shifts into R (Reverse), the video image automatically appears on the inside rearview mirror. Once the driver shifts out of R (Reverse), the video image automat ...

Wagon
To lower one or both of the rear seatbacks: 1. Pull on the lever, on the top outboard side of the seatback, to unlock the seatback. 2. Fold the seatback down. To return a seatback to the up ...