1996 GMC Sonoma Owner's Manual - Page 208

', Changing a Flat Tire If a tire goes flat, avoid further tire wheel damage and by driving slowly to-a level place. Turn.on your hazard warning flashers. I 4. Turn off the engine. 5. Put the wheel blocks at the front and away from the rear of the tire farthest one being changed.That would be the tire on the other side the vehicle, at of the opposite end. Changing a tire can cause an injury. The vehicle can slipoff the jack and roll over you or other people. You and they could be badly injured. Find a level place to change your tire.To help prevent the vehicle from moving: 1. Set the parking brake firmly. 2. Put an automatic transmission shift lever inPARK (P) or shift a manual (1) transmission to FIRST or REVERSE (R). 3. If you have a four-wheel-drive vehicle lever, with a manual transfer case shift be sure the transfer casein a drive is gear not in NEUTRAL(N). CAUTION: (.Continued) -- The following steps will tell you how to use the jack and change a tire. I 5-22 -.