OnStar Services
See also:
Owner Checks and Services
At Each Fuel Stop
• Check the engine oil level. See
Engine Oil.
Once a Month
• Check the tire inflation
pressures. See Tire Pressure.
• Inspect the tires for wear. See
Tire Inspection. ...
If Your Vehicle is Stuck in Sand,
Mud, Ice, or Snow
Slowly and cautiously spin the wheels to free the
vehicle when stuck in sand, mud, ice, or snow. See
Rocking Your Vehicle to Get It Out.
If the vehicle has a traction system, it can often help to ...
Brake Pedal Travel
See your dealer/retailer if the brake pedal does not
return to normal height, or if there is a rapid increase in
pedal travel. This could be a sign that brake service
might be required. ...
