Subaru 2001 Forester Owner's Manual page 312

Maintenance and service
HSA002DB HBA008BB
4. Pull out the dipstick and check the fluid level on the gauge. If it is
below the lower level on the "HOT" range, add the recommended au-
tomatic transmission fluid up to the upper level.
n Checking the fluid level when the fluid is cold
When the fluid level has to be checked without time to warm up the
automatic transmission, check to see that the fluid level is between
the lower level and upper level on the "COLD" range. If it is below that
range, add fluid up to the upper level. Be careful not to overfill.
B Recommended fluid
"Dexron II" or "Dexron III" Type Automatic Transmission Fluid
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