Power Door Locks; Delayed Locking; Automatic Door Locks; Lockout Protection - GMC Sierra 2500 HD 2024 Owner's Manual

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from being forced open. To reset the lock
cylinder, ensure the correct key is fully
inserted into the lock cylinder. Rotate the
key until you feel the lock cylinder click
back into place. Remove the key and
reinsert fully, rotate the key to unlock the
vehicle.

Power Door Locks

: Press to lock the doors.
: Press to unlock the doors.

Delayed Locking

This feature delays the locking of the doors
until five seconds after all doors are closed.
When
is pressed on the power door lock
switch while the door is open, and the
vehicle is off, a chime will sound three times
indicating delayed locking is active.
The doors will lock automatically
five seconds after all doors are closed. If a
door is reopened before that time, the
five-second timer will reset when all doors
are closed again.
Press
on the door lock switch again or
press
on the remote key to lock the
doors immediately.
This feature can be programmed. To view
available settings from the infotainment
screen, touch Settings > Vehicle > Power
Door Locks.

Automatic Door Locks

If equipped, 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).
Keys, Doors, and Windows
To unlock the doors:
Press
on the power door lock switch.
Shift the transmission into P (Park).
Automatic door locking cannot be disabled.
Automatic door unlocking can be
programmed. To view available settings
from the infotainment screen, touch
Settings > Vehicle > Power Door Locks.

Lockout Protection

If the ignition is on or in accessory mode
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 to the Keyless
Access function (if equipped). If an remote
key is detected and the number of remote
keys inside has not reduced, the driver door
will unlock and the horn will chirp three
times.
Lockout Protection can be manually
overridden with the driver door open by
pressing and holding
on the power door
lock switch.
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