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 Advi ...

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

Central Door Unlocking System
The vehicle has a central door unlocking feature. When unlocking the driver door, the other doors can be unlocked by holding the key in the turned position for a few seconds or by quickly tu ...