whatis the multi function switch control for transmision needed for? on 2000 Audi A6 Quattro

I am wondering if this is the part we need, the transmission doesn't go into overdrive the gear lights are all light up. and it slowly shifts into gear at the onset of start up.

by in Mancelona, MI on October 23, 2013
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1 answer
ANSWER by , October 24, 2013
yes its needed or poss trans damage will occur