See also:

Entry Lighting
If it is dark enough outside when you press the unlock button on the remote keyless entry transmitter, the interior courtesy lamps will turn on and stay on for about 40 seconds. The lamps can be ...

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions s ...

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 ...