Customer Information

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Steering in Emergencies
There are times when steering can be more effective than braking. For example, you come over a hill and find a truck stopped in the lane, or a child darts out from between parked cars and stops ri ...

Tire Rotation
Tires should be rotated every 12 000 km (7,500 mi). See Scheduled Maintenance . Tires are rotated to achieve a uniform wear for all tires. The first rotation is the most important. Any time unusua ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...