OnStar Services

See also:

Total Weight on the Vehicle's Tires
Be sure the vehicle's tires are inflated to the inflation pressures found on the Certification label on the driver door or see Vehicle Load Limits   for more information. Make sure n ...

Transmission Messages
MANUAL SHIFT This message displays when the automatic transmission is in manual mode. See Manual Mode   for more information. TRANSMISSION HOT IDLE ENGINE Notice: Do not drive the vehic ...

Cigarette Lighter
For vehicles with a cigarette lighter, it is located in the center console near the cupholders. Press on the access door to open it and use the lighter. To use the cigarette lighter, push it in all ...