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#06-06-01-010B: Information on Close-Coupled Converter and Engine Replacement - (Aug 19, 2013)
Subject:Information on Close-Coupled Converter and Engine ReplacementModels: 2004-2014 GM Cars and Truckswith Close-Coupled Catalytic ConvertersThis bulletin has been revised to add the 2009-2014 model years. Please discard CorporateBulletin Number 06-06-01-010A.Certain 2004-2014 General Motors pro ...