The doors will lock automatically when all doors are closed, the ignition is on, and the vehicle is shifted out of P (Park).
If a vehicle door is unlocked and then opened and closed, the doors will lock either when your foot is removed from the brake or the vehicle speed becomes faster than 13 km/h (8 mph).
To unlock the doors:
on the power
door lock
switch.Automatic door locking cannot be disabled. Automatic door unlocking can be programmed. See Vehicle Personalization.
Delayed Locking
Lockout ProtectionControl Solenoid Valve and Transmission Control Module Assembly Inspection Automatic Transmission Unit
Verify the conditions listed below do not exist. Carefully inspect the control solenoidvalve assembly connectors and pins-(1, 2, 4, 6) for the condition. Repair or replaceas necessary.DamageBent pinsDebrisBroken retaining tabContaminationVerify there is no metallic debris inside the connectors near ...