See also:

Starting the Engine
If the vehicle is a hybrid, see the hybrid supplement for more information. Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine w ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...

Lumbar Adjustment
To adjust the lumbar support: Press and hold the front or rear of the control to increase or decrease lumbar support. Press and hold the top or bottom of the control to raise or lower the ...