See also:

Steering Wheel Controls
Some audio steering wheel controls can be adjusted at the steering wheel. : Press to interact with the available Bluetooth or OnStar systems. : Press to silence the vehicle speakers only. Pre ...

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 vehic ...

Theft-Deterrent Feature
TheftLock® is designed to discourage theft of the vehicle's radio by learning a portion of the Vehicle Identification Number (VIN). The radio does not operate if it is stolen or moved to a different ...