GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-9955992) - 2017 - crc - 5/3/16
Keys, Doors, and Windows
31
and all previously known keys
will no longer work with the
vehicle.
6. To learn a second key, turn to
OFF, insert the second key to
be learned, and rotate to
ON/RUN.
After two keys are learned, the
remaining keys can be learned by
following the procedure in
“
Programming with Two
Recognized Keys.
”
The key has a bar-coded key tag
that the dealer or qualified locksmith
can use to make new keys. Store
this information in a safe place, not
in the vehicle.
See your dealer if a replacement
key or additional key is needed.
If it becomes difficult to turn a key,
inspect the key blade for debris.
Periodically clean with a brush
or pick.
With an active OnStar subscription,
an OnStar Advisor may remotely
unlock the vehicle. See
Remote Keyless Entry
(RKE) System
See
.
If there is a decrease in the Remote
Keyless Entry (RKE) operating
range:
.
Check the distance. The
transmitter may be too far from
the vehicle.
.
Check the location. Other
vehicles or objects may be
blocking the signal.
.
Check the transmitter's battery.
See
“
Battery Replacement
”
later
in this section.
.
If the transmitter is still not
working correctly, see your
dealer or a qualified technician
for service.
Remote Keyless Entry
(RKE) System Operation
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
Remote Keyless Entry (RKE)
System
With Remote Start (without
Remote Start Similar)
/
:
If equipped,
/
is used to start
the engine from outside the vehicle
using the RKE transmitter. See
.
Q
:
Press to lock all doors and the
tailgate.
If enabled in vehicle personalization,
the turn signal lamps flash once to
indicate locking has occurred.
If enabled through vehicle