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 Protection#PIC5862: Battery Goes Dead and/or Unwanted Brake Lights - (Oct 21, 2013) Low Voltage Battery
Subject:Battery Goes Dead and/or Unwanted Brake LightsModels: 2013 - 2014 Buick Encore 2010 - 2014 Buick Lacrosse2011 - 2014 Buick Regal2012 - 2014 Buick Verano2013 - 2014 Cadillac ATS2010 - 2014 Cadillac SRX2013 - 2014 Cadillac XTS2010 - 2014 Chevrolet Camaro2011 - 2014 Chevrolet Cruze2010 - 201 ...