See also:

Tire Pressure
Tire pressure is displayed in the DIC for each tire in either kilopascals (kPa) or pounds per square inch (psi). Press the vehicle information button until the DIC displays Front Tire kPa (P ...

Tire Rotation
If the vehicle has non-directional tires, they should be rotated every 12 000 km/7,500 mi. See Maintenance Schedule. Tires are rotated to achieve a uniform wear for all tires. The first rotat ...

Turn-by-Turn
This display is used for the OnStar or Navigation System Turn-by-Turn guidance. See OnStar Overview or the navigation manual, if the vehicle has navigation, for more information. ...