2001 Chevrolet Monte Carlo Owner's Manual - Page 284

Storing the Spare Tire and Tools CAUTION: Storing a jack, a tire or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. The compact spare is for temporary use only. Replace the compact spare tire with a full-size tire as soon as you can. See "Compact Spare Tire" in the Index. See the storage instructions label to put the compact spare back in the trunk properly. When storing a full-size tire, you must use the extension to help avoid wheel surface damage. Use the extension and protector/guide located in the foam holder. To store a full-size tire, place the tire in the trunk valve stem facing down with the protector/guide through a wheel bolt hole. Remove the the protector and attach the retainer securely. Please note that the cover will not fit over a full-size tire, so be sure to store the cover as far forward as possible. When you put the compact spare back in the trunk, place the protector/guide back in the foam holder. Put the cover back over the spare tire and tighten the center nut. 5-31