See also:

When to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil and filter. This is based on engine revolutions and engine temperature, and not on mileage. Based on driving condi ...

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Conference Calling
Conference calling and three-way calling must be supported on the Bluetooth phone and enabled by the wireless service carrier to work. To start a conference while in a current call: 1. Turn or pre ...