[BirdDog]

To check the Tiptronic fluid level the car has to be up in the air and some under-car components have to be removed (to gain access to the fill port). Then, with the transmission warmed up to between 90 and 100 F, you have to pump more fluid in through the fill-tower. When the fluid starts raining down on you from the fill tower, it's full. Has to be done in this temp range. If colder you'll overfill it. If warmer you won't be able to add fluid.

As far as I know, there's no other way to do it.

It's a royal pain, but there it is.

As to the "lifetime" fluid, don't believe it. The manufacturer now says to change it (I can't remember if it's at 50K miles or 75K miles).

Try what Xpit77 did. I hope it works for you!