See also:

Headlamp Wiring
An electrical overload may cause the lamps to go on and off, or in some cases to remain off. Have the headlamp wiring checked right away if the lamps go on and off or remain off. ...

Remote Keyless Entry (RKE) System
The Remote Keyless Entry (RKE) transmitter will work up to 60m(195 ft) away from the vehicle. Press this button to extend the key. The key can be used for the ignition and all locks. : Press ...

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 ...