OnStar®

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. See OnStar Overview&nb ...

Keys and Locks

...

See also:

Topping up the coolant
WARNING Never remove the filler cap when the engine is hot - escaping steam or scalding water could cause serious personal injury. Avoid spilling antifreeze onto a hot engine - a fire may res ...

Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows the engine to operate on either all or half of its cylinders, depending on the driving conditions. When less power is ...

Methanol
NOTICE Wherever possible avoid using fuel containing methanol. Some fuels contain methanol (methyl or wood alcohol). If you use fuels containing methanol the fuels must also contain co-solven ...