1995 GMC Sonoma Owner's Manual - Page 207

To Remove the Underbody-Mounted Spare Tire NOTICE: Never remove or restow a tire frodto a stowage position under the vehicle while the vehicle is supported by a Always jack. tighten the tire fully against the underside of the vehicle when restowing. Insert the chisel end of the wheel wrench, on an angle, into the hole in the rear bumper. Be sure the chisel end of the wheel wrench connects into the hoist Turn the wheel counterclockwise to lower thespare tire. I 1 wheel wrench until the spare tire can be pulled out from under the vehicle. 5-23