GMC Sierra 2018, Owner'S Manual

Page: 36 / 488

GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
Keys, Doors, and Windows 35
learned and all previously
known keys will no longer work
with the vehicle.
6. To learn a second key, turn the
ignition off, insert the second
key to be learned, and turn the
ignition on.
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 service plan,
an OnStar Advisor may remotely
unlock the vehicle.
See
OnStar Overview 0 463 .
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 459 .
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
0 35 .
With Remote Start (without
Remote Start Similar)
/
: If equipped,
/
is used to start
the engine from outside the vehicle
using the RKE transmitter. See
Remote Vehicle Start 0 37 .
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