See also:

Securing Child Restraints (Center Front Seat Position)
WARNING A child in a child restraint in the center front seat can be badly injured or killed by the frontal airbags if they inflate. Never secure a child restraint in the center front seat. ...

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

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 ...