2009 GMC Sierra 1500 Crew Cab Owner's Manual - Page 510

Removing the Flat Tire and Installing the Spare Tire Use the following pictures and instructions to remove the flat tire and raise the vehicle. 2. If your vehicle has wheel nut caps, loosen them by turning the wheel wrench counterclockwise. If the vehicle has a center cap with wheel nut caps, the wheel nut caps are designed to stay with the center cap after they are loosened. Remove the entire center cap. The tools you will be using include the jack (A), the wheel blocks (B), the jack handle (C), the jack handle extensions (D), and the wheel wrench (E). 1. Do a safety check before proceeding. See Changing a Flat Tire on page 5-94 for more information. 5-100