See also:

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get h ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar sy ...

Fuel Gauge
Metric English When the ignition is on, the fuel gauge indicates about how much fuel is left in the tank. An arrow on the fuel gauge indicates the side of the vehicle the fuel door is o ...