GMC 2010 Yukon XL Denali Owner's Manual page 131

The following functions may be available if your vehicle
has the RKE system:
(Remote Vehicle Start): For vehicles with this
feature, press to start the engine from outside the
vehicle using the RKE transmitter. See Remote Vehicle
Start on page 3 7 for additional information.
(Lock): Press to lock all the doors.
If enabled through the Driver Information Center (DIC),
the turn signal lamps flash once to indicate locking
has occurred. If enabled through the DIC, the horn
chirps when the lock button is pressed again within
three seconds. See DIC Vehicle Customization (With
DIC Buttons) on page 4 66 for additional information.
Pressing arms the content theft deterrent system.
See Content Theft-Deterrent on page 3 20.
(Unlock): Press once to unlock only the driver door.
If 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 through the DIC, the turn signal lamps
flash twice to indicate unlocking has occurred.
See DIC Vehicle Customization (With DIC Buttons) on
page 4 66. If enabled through the DIC, the exterior
lights turn on briefly if it is dark enough outside.
See APPROACH LIGHTING under DIC Vehicle
Customization (With DIC Buttons) on page 4 66.
Pressing on the RKE transmitter disarms the content
theft deterrent system. See Content Theft-Deterrent on
page 3 20.
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(Liftglass): For vehicles with a liftglass, press and
hold to unlock the liftglass.
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(Power Liftgate): For vehicles with a power
liftgate, press and hold to open and close the liftgate.
The taillamps flash and a chime sounds to indicate
when the liftgate is opening and closing.
(Vehicle Locator/Panic Alarm): Press and release
to locate the vehicle. The turn signal lamps flash and
the horn sounds three times.
Press and hold for more than two 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 moved to
ON/RUN or is pressed again. The ignition must be
in LOCK/OFF for the panic alarm to work.
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