GMC 2007 Envoy Denali Owner's Manual page 104

Programmable Unlocking Feature
The following is the list of available programming
options:
Mode 1: Driver's door unlocks when the
transmission is shifted into PARK (P).
Mode 2: All doors unlock when the transmission
is shifted into PARK (P).
Mode 3: All doors unlock when the key is
removed from the ignition.
Mode 4: No automatic door unlock.
The automatic door locks were pre-programmed at
the factory to unlock all doors once the
transmission is shifted to PARK (P). The following
instructions detail how to program your door
locks differently than the factory setting. Choose
one of the four programming options listed
previously before entering the program mode.
To enter the program mode you need to do the
following:
1. Begin with the ignition off. Then pull the turn
signal/multifunction lever toward you and hold
it there while you perform the next step.
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2. Turn the key to RUN and LOCK twice. Then,
with the key in LOCK, release the turn
signal/multifunction lever. Once you do this,
you will hear the lock switch lock and
unlock, the horn will chirp twice, and a
30-second program timer will begin.
3. You are now ready to program the automatic
door locks. Select one of the four programming
options listed above, and press the unlock side
of the power door lock switch to cycle through
the unlocking options. You will have
30 seconds to begin programming. If you
exceed the 30-second limit, the locks will
automatically lock and unlock and the horn will
chirp twice to indicate that you have left the
program mode. If this occurs, repeat the
procedure beginning with Step 1 to re-enter the
programming mode.
You can exit the program mode any time by turning
the ignition to RUN. The locks will automatically
lock and unlock and the horn will chirp twice to
indicate that you are leaving the program mode.
If the lock/unlock switches are not pressed while in
the programming mode, the current auto lock/
unlock setting will not be modified.
See your dealer for more information.