See also:

Automatic Level Control
The automatic level control rear suspension comes as a part of the Road Sensing Suspension. See Road Sensing Suspension  . This type of level control is fully automatic and will provide a bett ...

Buying New Tires
GM has developed and matched specific tires for the vehicle. The original equipment tires installed were designed to meet General Motors Tire Performance Criteria Specification (TPC Spec) system rat ...

Tire Pressure for High-Speed Operation
WARNING Driving at high speeds, 160 km/h (100 mph) or higher, puts an additional strain on tires. Sustained high-speed driving causes excessive heat buildup and can cause sudden tire failure. Yo ...