How do you put transmission oil into a 2002 Jetta?

To add transmission oil to a 2002 Jetta, first ensure the car is on a level surface and the engine is warm. Locate the transmission dipstick, which is usually near the back of the engine bay, and remove it. Use a funnel to add the appropriate type of Transmission Fluid through the dipstick tube, checking the level frequently to avoid overfilling. Finally, replace the dipstick and start the engine, allowing it to run for a few minutes before checking the level again.