Battery Dead problems of the 2003 Volkswagen Passat

Car was constantly getting the passager side (front and back) flooded w water during a rain storm. Had to get new battery cleaned out sunroof drainage. It didn't matter. Whenever it rained the battery would be dead because the control module which is there is all messed up sending mixed messages. Finely just died in the middle of the road. Not worth putting money into the car. I purchased this car less then a year ago and had this problem after the first rain and went down from their. Im so disappointed hoping buying a used vw I was going to be satisfied but had nothing trouble from day one.

Battery going dead without time or reason; doors would lock automatically with no one around; trunk would unlock and would not shut without key intervention; light on driver's door lock would flash incessantly with no one near. Car went over four years with no incident and suddenly started acting "strange. " no changes or work done on electrical system since new when the battery had to be replaced twice. Dealer has been very cooperative but unsuccessful in finding source, keeping car as long as three weeks (with a "loaner") and not charging except for a small first time inspection. Six returns to dealership with some relief; only the battery goes dead with irregularity. We have a 2000 Passat that sits nearby and has never experienced the problem. Number of failures is one, but all related . . Six trips to dealership and relief on all but the battery going dead. We are 80 and fear that we will be caught out and have serious problems. All dates are approx.

My 2003 Passat, with 10k miles, has been in the shop for 22 days now and they don't know what's wrong with it. This is the fourth trip in for the same thing. The battery goes dead every night. According to utah lemon law I should be entitled to arbitrate, but vw will not discuss this option.