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.
• Check the windshield washer fluid level. See Washer Fluid.
See also:
Uniform Tire Quality Grading
Quality grades can be found where applicable on
the tire sidewall between tread shoulder and
maximum section width. For example:
Treadwear 200 Traction AA Temperature A
The following information r ...
Tire Chains
WARNING!
Do not use tire chains. There is
not enough clearance. Tire chains
used on a vehicle without the
proper amount of clearance can
cause damage to the brakes,
suspension, or other veh ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...