Subaru 2004 Legacy Owner's Manual page 369

In case of emergency
If the jackscrew is too tight to be loosened by hand,
loosen it using a screwdriver or the jack handle.
The jack handle is stored under the spare tire cover.
NOTE
Make sure the jack is well lubricated before using
it.
9-10
UB1169CA
6. (If your vehicle has wheel covers) Insert the wheel
nut wrench into the notch provided in the wheel cover,
and pry it off.
UB9032BA