Subaru 2004 Legacy - Manual (Page 369)

9-10
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.
6. (If your vehicle has wheel covers) Insert the wheel
nut wrench into the notch provided in the wheel cover,
and pry it off.
UB1169CA UB9032BA