OnStar Services

See also:

When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. H ...

Additional Required Services
Every 12 000 km/7,500 Miles ► Rotate tires. Tires should be rotated every 12 000 km/ 7,500 miles. See Tire Rotation . At Each Fuel Stop ► Engine oil level check. See Engine Oil . ...

Other Warning Devices
If you carry reflective triangles, you can set them up at the side of the road about 300 feet (100 m) behind your vehicle. ...