How do put transmission fluid in Nissan altima?

To add Transmission Fluid to a Nissan Altima, first locate the transmission dipstick, which is usually found near the back of the engine bay. Start the engine and let it warm up, then shift through all the gears before returning it to park. Pull out the dipstick, wipe it clean, and reinsert it to check the fluid level. If it's low, use a funnel to add the appropriate type of transmission fluid through the dipstick tube until it reaches the proper level. Always consult your owner's manual for specific fluid requirements and procedures.