OnStar Services

See also:

Automatic Transmission
If the vehicle is a hybrid, see the hybrid supplement for more information. Vehicles with an automatic transmission have an electronic shift position indicator within the instrument panel cluster. Th ...

Towing the Vehicle
Notice: To avoid damage, the disabled vehicle should be towed with all four wheels off the ground. Care must be taken with vehicles that have low ground clearance and/or special equipment. Always ...

California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this fuel is n ...