General Information
For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

See also:
Tire Terminology and Definitions
Air Pressure: The amount of air inside the tire pressing outward on each
square inch of the tire. Air pressure is expressed in kPa (kilopascal) or psi
(pounds per square inch).
Accessory Weight: ...
Steps for Determining Correct Load Limit
1. Locate the statement “The combined weight of occupants and cargo should
never exceed XXX kg or XXX lbs” on your vehicle's placard.
2. Determine the combined weight of the driver and passengers ...
Removing the Flat Tire and
Installing the Spare Tire
1. Do a safety check before
proceeding. See If a Tire
Goes Flat
2. Use the wrench to loosen all of
the wheel nuts. Do not remove
them yet.
3. Find the jacking location using
the diagra ...






