1996 GMC Suburban Owner's Manual - Page 236

I Changing a Flat Tire If a tire';goes flat,-avoid further and wheel damage tire by driving slowly to a levelplace. Turn on your hazard warning flashers. I L . I Changing a tire can cause an injury. vehicle The can slipoff the jack and roll over or other you people. You and they could badly injured. be Find a level place to change your To help tire. prevent the vehicle from moving: 1. Set the parking brake firmly. ,2. Put the shift lever in PARK (P). 3. If you have a four-wheel-drivevehicle, be sure the transfer case in a drive is gear not in NEUTRAL (N). 4. ' h r n off the engine. To be even more certain the vehicle won't move, you can put blocks the front and rear at of the tire farthest away from the one being changed. That would be the tire the other side the on of vehicle, at theopposite end. The following steps will tell you how to use the jack and change a tire. -- 5-20