If the ignition is on or in ACC/ ACCESSORY and the power door lock switch is pressed with the driver door open, all the doors will lock and only the driver door will unlock.
If the vehicle is off and locking is requested while a door is open, when all doors are closed the vehicle will check for RKE transmitters inside. If an RKE transmitter is detected and the number of RKE transmitters inside has not reduced, the driver door will unlock and the horn will chirp three times.
Lockout Protection can be manually
overridden by pressing and holding
on the power door lock switch.
Unlocked Door Anti-Lockout
If Unlocked Door Anti-Lockout is turned on and the vehicle is off, the driver door is open, and locking is requested, all the doors will lock and only the driver door will unlock. The Unlocked Door Anti-Lockout feature can be turned on or off. See Vehicle Personalization.
Automatic Door Locks
Safety Locks#04-00-89-015E: Warranty Administration - Required Operating Procedures (U.S. Only) - (Jun 20, 2013)
Subject:Warranty Administration – Required Operating Procedures (U.S. Only)Models: 2014 and Prior GM Cars and TrucksAttention: GM of Canada Service Agents are not authorized to utilize this service bulletin. GMof Canada Agents should reference the General Motors of Canada Limited Service Policie ...