Where do you fill transmission fluid 1986 Oldsmobile regency?

To fill the Transmission Fluid in a 1986 Oldsmobile Regency, locate the transmission dipstick tube, which is usually found near the back of the engine compartment. Remove the dipstick and use a funnel to add the appropriate type of transmission fluid through the tube. Be sure to check the fluid level with the engine running and the transmission in "Park" to ensure accurate measurement. Always refer to the owner's manual for the correct fluid type and specifications.