GMC Sierra Owners Manual

Full-Size Spare Tire
Vehicle Care / Wheels and Tires / Full-Size Spare Tire

Your vehicle, when new, had a fully-inflated spare tire. A spare tire may lose air over time, so check its inflation pressure regularly. See Tire Pressure on page 10‑62 and Vehicle Load Limits on page 9‑17 for information regarding proper tire inflation and loading your vehicle.

For instruction on how to remove, install or store a spare tire, see Removing the Flat Tire and Installing the Spare and Storing a Flat or Spare Tire and Tools under Tire Changing on page 10‑80.

Notice: If the vehicle has four-wheel drive and a different size spare tire is installed, do not drive in four-wheel drive until the flat tire is repaired and/or replaced. The vehicle could be damaged and the repairs would not be covered by the warranty.

Never use four-wheel drive when a different size spare tire is installed on the vehicle.

Your vehicle may have a different size spare tire than the road tires originally installed on your vehicle.

This spare tire was developed for use on your vehicle, so it is all right to drive on it. If your vehicle has four-wheel drive and the different size spare tire is installed, keep the vehicle in two-wheel drive.

After installing the spare tire on your vehicle, you should stop as soon as possible and make sure the spare tire is correctly inflated. Have the damaged or flat road tire repaired or replaced as soon as you can and installed back onto your vehicle.

This way, the spare tire will be available in case you need it again.

Do not mix tires and wheels of different sizes, because they will not fit. Keep your spare tire and its wheel together. If your vehicle has a spare tire that does not match your vehicle's original road tires and wheels in size and type, do not include the spare in the tire rotation.


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