Subaru IMPREZA 2002 Owner's Manual page 307

In case of emergency
9. Insert the jack handle into the jackscrew, and
turn the handle until the tire clears the ground. Do
not raise the vehicle higher than necessary.
10. Remove the wheel nuts and the flat tire.
9-10
OM-H2263
OM-H0172
11. Before putting the spare tire on, clean the
mounting surface of the wheel and hub with a cloth.
12. Put on the spare tire. Replace the wheel nuts.
Tighten them by hand.
WARNING
Do not use oil or grease on the wheel studs or
nuts when the spare tire is installed. This
could cause the nuts to become loose and
lead to an accident.
13. Turn the jack handle counterclockwise to lower
the vehicle.
HG0104