2008 Saturn Aura latches & locks problems

1st problem rear door locks would keep opening and locking by themselves,same time trunk would would not unlock.had to have all repaired at a cost of $450.2nd problem while car parked in drive an in park car rolled back into mail box now have to have fender repaired,took to dealer could find no problem.3rd problem car driver door sagging chipping paint dealer tightened does not hold.

Tl* the contact owns a 2008 saturn aura. While attempting to enter the rear of the vehicle, the contact was unable to unlock the rear driver and passenger doors. Additionally, while driving various speeds, the brake indicator illuminated independent of the brake pedal being depressed. The vehicle was not taken to be diagnosed or repaired. The contact stated that the failure was intermittent. Neither the dealer nor the manufacturer was notified. The approximate failure mileage was 85,000.