See also:

Belts
• Belts may need replacing if they squeak or show signs of cracking or splitting. • Trained dealer technicians can inspect the belts and recommend replacement when necessary. ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

DIC Buttons
The buttons are the set/reset, customization, vehicle information, and trip/fuel buttons. The button functions are detailed in the following pages. (Set/Reset): Press this button to set or reset c ...