1993 GMC Suburban Owner's Manual - Page 249

-... ...-... ... ...I ...- ...- . I Y. ," Changinga tire cancause an injury.Thevehicle can slip off the jack and roll overyouorotherpeople. You and they could bebadly To help preventthe injured. Find a level placetochangeyourtire. vehiclefrommoving: 1. Setthe parking brakefirmly. 2. Put theshiftlever in P (Park). 3, Shiftamanualtransmission to 1 (First)or R (Reverse). 4. If you haveafour-wheel-drivevehicle,besurethetransfercase is in adrive gear-not in N (Neutral). 5. Turn off theengine. To beeven more certain thevehiclewon'tmove, you canputchocks at the front andrear of the tire farthestaway from theonebeing changed. That wouldbethetireontheotherside of thevehicle,at theopposite end. Thefollowing steps will tell you how to usethejack and changeatire. also find Theequipment you'll need is located in therearcargoarea.You'll yourspare tire there. 5-1 7