OnStar Services

See also:

Dual ball joints, five links and a limited-slip diff
Up front, a multi-link double-pivot suspension - based on the MacPherson strut design - is used for a more precise feeling of control, including more linear and communicative steering, and a smoot ...

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 ...

Vehicle Positioning
At times, the position of the vehicle on the map may be inaccurate due to one or more of the following reasons: Road system has changed. Vehicle is driving on slippery road surfaces such as in ...