See also:

OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To ch ...

Tire Size
The following is an example of a typical passenger vehicle tire size. (A) Passenger (P&-Metric) Tire: The United States version of a metric tire sizing system. The letter P as the first chara ...

Hazard Warning Flashers
Hazard Warning Flasher: Press this button located on the instrument panel below the audio system, to make the front and rear turn signal lamps flash on and off. This warns others that you are hav ...