See also:

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...

Engine Heater
The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coo ...

Window Lockout
(Lockout): Your vehicle has a lockout feature to prevent passengers from operating the power windows. The lockout switch is located in front of the window switches on the driver’s door. A l ...