2012 Toyota Sienna transmission fluid service [EASY]. Without a dipstick the procedure to drain and refill the transmission is unique. The dealer wants $190 for this service.
See this video for an outstanding technical reference on how the dealer would perform this service.
After testing my procedure a few times I believe I've distilled it down to something the average home mechanic can handle.
Tags: 2012 Toyota Sienna transmission fluid service [EASY]