Unfortunately I did not have a good experience here.  I had two cars serviced for oil and one had the transmission fluid replaced.  About 4 weeks later my transmission light came on and I took it to the mechanic.   Apparently my sensor had been broken off and Bondo was used to glue it back in.   Since these guys were the only ones to service the truck other than the dealer in the last two years, I am pretty sure it was them.  Not positive, ergo two stars and not one, but pretty sure.  So all told my lube cost about $250 with the repair.