2001 Subaru Impreza Owner's Manual - Page 269

Maintenance and service Upper level Lower level Upper level Lower level HGA007BB OM-H0207 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 automatic 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 - CONTINUED - 10-21