See also:

Unlock Feedback (Lights)
When on, the exterior lamps will flash when unlocking the vehicle with the RKE transmitter. Press SELECT when Unlock Feedback (Lights) is highlighted. Turn the Menu knob to select On or Off. ...

Bluetooth Controls
Use the buttons located on the steering wheel to operate the in-vehicle Bluetooth system. See Audio Steering Wheel Controls for more information. (Push To Talk): Press to answer incoming cal ...

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 ...