OnStar Services

See also:

Engine Coolant Temperature Gage
This gage shows the engine coolant temperature. If the gage pointer moves into the red area, the engine coolant has overheated. If you have been operating your vehicle under normal driving c ...

Solid structure
At the core of Rainier's quiet ride quality are best-in-class body-stiffness attributes. With its all-out dedication to isolation from road noise and vibration, Rainier achieves sound levels some ...

If the Off Indicator is Lit for an Adult-Size Occupant
If a person of adult-size is sitting in the right front passenger seat, but the off indicator is lit, it could be because that person is not sitting properly in the seat. If this happens, use the fo ...