OnStar

See also:

Running the Vehicle While Parked
It is better not to park with the engine running. But if you ever have to, here are some things to know. WARNING: Idling a vehicle in an enclosed area with poor ventilation is dangerous. Engine ...

Flash-to-Pass
To flash the high beams, pull the turn signal/lane change lever toward you, and release. ...

Headlamp High/ Low-Beam Changer
Headlamp High/Low-Beam Changer: Push the turn signal/lane change lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward you and ...