Subaru 2004 Impreza Owner's Manual page 357

In case of emergency
1
2
Sedan
1) Jack
2) Jack handle
3) Spare tire
9-6
3
2
Wagon
1) Jack
2) Jack handle
3) Spare tire
5. Take out the spare tire, jack, and wheel nut wrench.
The spare tire is stored under the floor of the trunk or
cargo area.
To remove the spare tire, proceed as follows:
1
3