Subaru 2012 Forester Owner's Manual page 35

Fuel
with an octane rating of 87 AKI or higher.
with an octane rating of 91 AKI or higher.
Fuel Capacity
instrument panel approximately 2.6 U.S. gallons of fuel remain.
Engine light on the instrument panel may stay on due
to a missing or loose fuel filler cap (the cap should be
tightened until a click is heard).
Engine Oil
Use only the following oils:
ILSAC certification mark (Starburst mark).
replacement interval 7,500 miles; no requirement at
the first 3,000 miles.
- 2.5 L DOHC Turbo models use 5W 30 synthetic,
replacement interval 7,500 miles; no requirement at
the first 3,000 miles.
Engine Oil Capacity
33 33