See also:

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 ...

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 opt ...

Trunk
WARNING Exhaust gases can enter the vehicle if it is driven with the liftgate, trunk/hatch open, or with any objects that pass through the seal between the body and the trunk/hatch or liftgate. En ...