GMC Sierra 2500 HD 2023 Owner's Manual page 16

The key that is part of the RKE transmitter
can be used for all locks.
Remove the key by pressing the button on
the side of the RKE transmitter near the
bottom and pull the key out. Never pull the
key out without pressing the button.
See your dealer if a new transmitter is
needed.
: Press and release , then immediately
press and hold until the turn signal
lamps flash or for at least four seconds. The
engine may be started from outside the
vehicle using the RKE transmitter. See
Remote Vehicle Start 0 22.
: Press to lock all doors and the tailgate,
if equipped.
If enabled, the turn signal lamps flash and/
or the horn may sound on the second press
to indicate locking has occurred. If enabled,
the horn chirps when is pressed again
within three seconds. To view available
settings for this feature, touch the Settings
icon on the infotainment home page. Select
Keys, Doors, and Windows
Vehicle to display the list of available
options and select Remote Lock, Unlock,
Start .
If the driver door is open when
pressed, all doors will lock and then the
driver door will immediately unlock,
if enabled. To view available settings for this
feature, touch the Settings icon on the
infotainment home page. Select Vehicle to
display the list of available options and
select Remote Lock, Unlock, Start .
If the passenger door is open when
pressed, all doors lock.
Pressing arms the alarm system. See
Vehicle Alarm System 0 34.
If equipped with remote mirror folding,
pressing and holding for one second will
fold the mirrors, if enabled. To view
available settings for this feature, touch the
Settings icon on the infotainment home
page. Select Vehicle to display the list of
available options and select Comfort and
Convenience .
: Press once to unlock only the driver
door. If is pressed again within
three seconds, all remaining doors and the
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