GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada/Mexico-14632286) - 2021 - CRC - 11/19/20
Keys, Doors, and Windows
11
Remote Keyless Entry (RKE)
System Operation (Key Access)
The RKE transmitter functions may work up
to 60 m (197 ft) away from the vehicle.
Other conditions can affect the performance
of the transmitter. See
/
:
Press and release
Q
, 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
.
Q
:
Press to lock all doors.
If enabled, the turn signal lamps may flash
and/or the horn may sound on the second
press to indicate locking has occurred.
If enabled, the horn chirps when
Q
is
pressed again within three seconds. See
.
Pressing
Q
arms the alarm system. See
If equipped with remote mirror folding,
pressing and holding
Q
for one second will
fold the mirrors, if enabled. See
K
:
Press once to unlock only the driver
door. If
K
is pressed again within
three seconds, all remaining doors unlock.
The interior lamps may come on and stay
on for 20 seconds or until the ignition is
turned on.
If enabled, the turn signal lamps flash twice
to indicate unlocking has occurred.
If enabled, the exterior lamps may turn on.
See
Pressing
K
on the RKE transmitter disarms
the alarm system. See
If equipped with remote mirror folding,
pressing and holding
K
for one second will
unfold the mirrors, if enabled. See
.
Press and hold
K
to remotely open the
windows, if enabled. See
.
x
:
Press twice quickly to release the
tailgate, if equipped.
7
:
Press and release to initiate the vehicle
locator. The turn signal lamps flash and the
horn sounds three times.
Press and hold
7
for more than
three seconds to activate the panic alarm.
The turn signal lamps flash and the horn
sounds repeatedly for 30 seconds. The alarm
turns off when the ignition is turned on or
7
is pressed again. The ignition must be off
for the panic alarm to work.
Programming Transmitters to the Vehicle
Only RKE transmitters programmed to this
vehicle will work. If a transmitter is lost or
stolen, a replacement can be purchased and
programmed through your dealer. Each