GMC Yukon Denali 2014 Owner's Manual page 299

The ITBC system is powered
through the vehicle's electrical
system. Turning the ignition off will
also turn off the ITBC system. The
ITBC system is fully functional only
when the ignition is in ON or
in RUN.
The ITBC system can only be used
with trailers with electric brakes.
Warning
Connecting a trailer that has a
surge, air,
or electric-over-hydraulic trailer
brake system may result in
reduced or complete loss of trailer
braking. There may be an
increase in stopping distance or
trailer instability which could
result in personal injury or
damage to the vehicle, trailer,
or other property. Use the ITBC
system only with electric brakes.
Trailer Brake Control Panel
A. Manual Trailer Brake Apply
Lever
B. Trailer Gain Adjustment Buttons
The ITBC system has a control
panel located on the instrument
panel to the left of the steering
column. The control panel allows
adjustment to the amount of output,
referred to as trailer gain, available
to the electric trailer brakes and
allows manual application the trailer
brakes. The Trailer Brake Control
Panel is used along with the Trailer
Driving and Operating
Brake Display Page on the DIC to
adjust and display power output to
the trailer brakes.
Trailer Brake DIC Display Page
The ITBC system displays
messages into the vehicle s Driver
Information Center (DIC). See
Driver Information Center (DIC) on
page 5-25 for more information.
The display page indicates Trailer
Gain setting, power output to the
electric trailer brakes, trailer
connection and system operational
status.
The Trailer Brake Display Page can
be displayed by performing any of
the following actions:
Scrolling through the DIC menu
pages using the odometer trip
stem or the DIC Vehicle
Information button (if equipped).
Pressing a Trailer Gain button
If the Trailer Brake Display Page
is not currently displayed,
pressing a Trailer Gain button
will first recall the current Trailer
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