See also:

Recommended Fuel
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 to as spark knock, might be heard when d ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system ...

Headlamp High/Low-Beam Changer
Push the turn signal/lane change lever away from you to turn the high beams on. Pull the lever toward you and then release it to return to low beams. If the vehicle is turned off while the ...