The vehicle's doors are programmed from the factory to lock when the shift lever is moved into a forward gear, and to unlock when the shift lever is moved into PARK (P).
If someone needs to get in or out of the vehicle after the doors have been locked, place the shift lever into PARK (P). You may also unlock all doors using the power door lock switch or unlock one door using the inside manual door lock.
If your vehicle has a Driver Information Center (DIC), there are different programming options for locking and unlocking the doors automatically. See DIC Vehicle Personalization .