Remote Keyless Entry (Rke); System - GMC 2016 Yukon XL Denali Owner's Manual

26 Keys, Doors, and Windows
There is a key in the transmitter.
This key is used for the driver door
and glove box.
The transmitter has a button on the
side used to remove the key. Do not
pull the key out without pressing the
button.
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 OnStar
Overview 0 374.
Remote Keyless Entry
(RKE) System
See Radio Frequency Statement
0 370.
If there is a decrease in the 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.