Subaru 2005 Impreza Owner's Manual page 357

In case of emergency
Others
7. Place the jack under the side sill at the front or rear
jack-up point closest to the flat tire.
Turn the jackscrew by hand until the jack head engag-
9-10
es firmly into the jack-up point.
8. 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.
9. Remove the wheel nuts and the flat tire.
HG9021BA
UG9510BA