Reactivation for Subsequent Owners
Push 
and follow the prompts to
speak to an Advisor as soon as
possible after acquiring the vehicle.
The Advisor will update vehicle records and will explain the OnStar service offers and options available.
See also:
Tire Terminology and Definitions
Air Pressure: The amount of
air inside the tire pressing
outward on each square inch of
the tire. Air pressure is
expressed in kPa (kilopascal)
or psi (pounds per square inch).
Accessory We ...
Door Locks
To lock or unlock the door from outside the vehicle, press
on the Remote Keyless Entry (RKE) transmitter
or use the key in the driver door.
From inside the vehicle with the doors locked, pull onc ...
Hazard Warning Flashers
Hazard Warning Flashers
Hazard Warning Flasher:
Press this button to make the front
and rear turn signal lamps flash on
and off. Press again to turn the
flashers off.
The hazard warning fl ...