Subaru 1998 Impreza Owner's Manual page 217

Locking type wheel cover Regular type wheel cover
HG0105 HG0348
7. Loosen the wheel nuts using the wheel nut wrench but do not remove
the nuts.
OM-H0376
8. Place the jack under the side sill at the front or rear jack-up point clos-
est to the flat tire.
Turn the jackscrew by hand until the jack head engages firmly into the
jack-up point.
8-8