Door lock stopped working on rear door under warranty at 13th month in use. Repaired at dealership. passenger side failed a year later. fixed at dealership. Driver door failed last year. Out of warranty. Dealer fixed for free. Now both right side doors work for an hour then fail. They will open but not lock. They will lock but not open. Service Manager says door actuator. Technician thinks it is in the computer. Has anyone experienced this problem?