See also:

Shifting In or Out of Neutral
1. With the vehicle running and the engine at an idle, set the parking brake. 2. Place the transmission into N (Neutral). Shift the transfer case in one continuous motion into or out of the N (Neutr ...

Vehicle Reminder Messages
CHECK TRAILER WIRING On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message may display and a chime may sound when one of the following conditions exists: • A trailer wi ...

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 ...