See also:

Recommended Fuel
If the vehicle has a V6 engine, use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred ...

Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception. Cellular reception is required for OnStar to send remote signals to the vehicle. ...

Exit Lighting
This allows the selection of how long the exterior lamps stay on when leaving the vehicle when it is dark outside. Press the MENU/SELECT knob when Exit Lighting is highlighted. Turn the knob to ...