See also:

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 automati ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Hill Start Assist (HSA)
This vehicle has a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward o ...