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:
Hazard Warning Flashers
(Hazard Warning Flasher): Press
and momentarily hold this button located on the instrument panel above the climate
control system, to make the front and rear turn signal lamps flash on and off. ...
Instrument Panel Brightness
(Instrument Panel Brightness):
This feature
controls the brightness of the instrument panel lights.
The knob for this control is located next to the exterior
lamps control.
Push the knob in a ...
Windows
WARNING:
Leaving children, helpless adults, or pets in a
vehicle with the windows closed is dangerous.
They can be overcome by the extreme heat and
suffer permanent injuries or even death from h ...