Power Door Locks; Automatic Door Locks; Lockout Protection; Safety Locks - GMC 2012 Yukon/Yukon XL Owner's Manual

2-8 Keys, Doors, and Windows
From inside, use the power door
locks or manual door locks. To lock
or unlock the door with the manual
locks, push down or pull up on the
manual lock knob.

Power Door Locks

With power door locks, the switches
on the front doors can be used to
lock and unlock the vehicle.
If available, the switches are on the
front doors.
(Unlock): Press to unlock the
doors.
(Lock): Press to lock the doors.

Delayed Locking

When locking the doors with the
power lock switch and a door or the
liftgate is open, the doors will lock
five seconds after the last door is
closed. You will hear three chimes
to signal that the delayed locking
feature is in use.
Pressing the power lock switch
twice will override the delayed
locking feature and immediately lock
all the doors.
This feature will not operate if the
key is in the ignition.
You can program this feature using
the Driver Information Center (DIC).
See Delay Door Lock under
Vehicle Personalization (With DIC
Buttons) on page 5 47.

Automatic Door Locks

The vehicle may have an automatic
lock/unlock feature. This feature can
be programmed using the Driver
Information Center (DIC). See
Vehicle Personalization (With DIC
Buttons) on page 5 47 for more
information on DIC programming.

Lockout Protection

If the driver side power door lock
switch is pressed when the driver
door is open and the key is in the
ignition, all of the doors will lock and
then the driver door will unlock.
If the passenger side power door
lock switch is pressed when the
front passenger door is open and
the key is in the ignition, all of the
doors will lock and then the front
passenger door will unlock.

Safety Locks

The vehicle has rear door security
locks to prevent passengers from
opening the rear doors from the
inside.