See also:

Headlamp Aiming
Headlamp aim has been preset at the factory and should need no further adjustment. However, if the vehicle is damaged in a crash, the headlamp aim may be affected. Aim adjustment to the low-beam head ...

What Makes an Airbag Inflate?
In an impact of sufficient severity, the airbag sensing system detects that the vehicle is in a crash. Additionally, in the case of a “rollover capable” roof-mounted side impact airbag, the se ...

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...