FORD 1999 Ranger - Manual (Page 144)

4. If your vehicle is equipped with P265/75 R15 AT tires, do not stow a
flat or inflated full size spare tire in the spare tire carrier. The flat full
size tire should be stowed and tied down in the pickup box bed until it
can be repaired.
5. If removed, install the spare tire carrier lock on the access hole in the
bumper.
Tire change procedure
To prevent the vehicle from moving when you change a tire, be
sure the parking brake is set, then block (in both directions) the
wheel that is diagonally opposite (other side and end of the vehicle) to
the tire being changed.
If the vehicle slips off the jack, you or someone else could be
seriously injured.
1. Park on a level surface, activate
hazard flashers and place gearshift
lever in P (Park) (automatic
transmission) or 1 (First) (manual
transmission).
2. Set the parking brake and turn
engine OFF.
3. Block the diagonally opposite
wheel.
Roadside emergencies
144