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 ProtectionPropeller Shaft Runout Measurement Driveshafts Propeller Shaft Assembly
Special ToolsGE-7872Magnetic Base Dial Indicator Set, or equivalentGE-8001Dial Indicator Set, or equivalentFor equivalent regional tools, refer toSpecial Tools and Equipment.Note:This measurement procedure is intended to measure propellershaft runout for prop shaft systems with2-or-3 U-joints only. ...