1997 Pontiac Firebird Owner's Manual - Page 271

How to Add Fluid Refer to the Maintenance Schedule to determine what kind of transmission fluid touse. See "Recommended Fluids and Lubricants" in the Index. Add fluid onlyafter checking the transmission fluid HOT. (A COLD check is used only as a reference.) If the fluid level is low, add only enough of the proper fluid to bring the level up to the HOT area for a hot check. It doesn't take much fluid, generally less than one pint (0.5 L). D m 't ove 111. We reconramend you use only fluid labeled BEXRON -111, because fluid with that label is 3800 Transmission Dipstick 3. Check both sides of the dipstick, and read the lower level, The fluid level must be inthe COLD area for a cold check or in the HOT area or 'cross-hatchedarea for a hot check. ? l made especially for your automatic transmission,Damage caused by fluid other than DEXRON-I11 is not covered by your new vehicle warranty. After adding fluid, recheck the fluid level as described under "How to Check." When the correct fluid level is obtained, push the dipstick back in all way. the 4, If the fluid level is in the acceptable range, push the dipstick back in all theway. 6-26