After spending last week in the shop, the 2001 Passat 1.8T was driven home( 50 minutes) and parked in the garage. On Sunday, the car just would not start- no click , nothing. AAA came by and said the battery was dead. The starter and alternator checked out fine. They installed a battery that was on their list as a replacement for the car;however, it is not a vented battery. The battery they took out was. Is this going to cause a problem down the road for us?