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
13
2. Press and slide the battery down toward
the pocket of the transmitter in the
direction of the key ring. Do not use a
metal object
3. Remove the battery.
4. Insert the new battery, positive side
facing up. Replace with a CR2032 or
equivalent battery.
5. Push together the transmitter back cover
top side first, and then the bottom
toward the key ring.
Remote Keyless Entry (RKE)
System Operation (Keyless Access)
The Keyless Access system allows for vehicle
entry when the transmitter is within 1 m
(3 ft). See
“
Keyless Access Operation
”
later
in this section.
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
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
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 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
Q
is pressed again
within three seconds. See
.
