See also:

How OnStar Service Works
: This blue button connects you to a specially trained OnStar advisor to verify your account information and to answer questions. : Push this red emergency button to get priority help fro ...

Disarming the System
To disarm the system, do one of the following: Press on the RKE transmitter. Approach the vehicle with the RKE transmitter (keyless access). Start the engine. The alarm automatically disar ...

Shifting Into Park (P)
CAUTION: It can be dangerous to get out of your vehicle if the shift lever is not fully in PARK (P) with the parking brake firmly set. Your vehicle can roll. If you have left the engine runni ...