See also:

Lock Sensor
When all doors are closed and the ignition is off, the vehicle can be locked by pressing this area on the door handle. This feature will be available for several minutes after the vehicle has be ...

Steering Wheel Controls
Some audio controls can be adjusted at the steering wheel. (Push to Talk): For vehicles with a Bluetooth, OnStar, or navigation system, press to interact with those systems. See Bluetooth (Inf ...

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 ...