Tl* - the contact owns a 2006 buick terraza. while driving the driver's side sliding door opened without warning. both the driver and passenger sliding doors opened without warning. the dealer was unable to diagnose or duplicate the failure. the failure mileage was 14,000. the dealer replaced the remote, voltage regulator and a sensor. the failure mileage was 14,000, and the current mileage was 21,000. *ak the consumer states possible bad rotors on front brakes. the consumer states abs light on after repairs, problems with transmission hard to shift gears, horn sounds when remote starting is used, dome lights go dim. updated 05/23/07 *tr