GMC 2012 Sierra - Manual (Page 377)

Black plate (101,1) GMC Sierra Owner Manual - 2012 - CRC - 11/15/11
Driving and Operating 9-101
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. See Instrument Panel
(Premium Version) on page 1‑6 or
Instrument Panel (Base/Uplevel
Version) on page 1‑2 for more
information. 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 of the trailer brakes. The
Trailer Brake Control Panel is used
along with the Trailer 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 on the vehicle’s Driver
Information Center (DIC). See
Driver Information Center (DIC) on
page 5‑30 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 Gain setting. After
the Trailer Brake Display Page
is displayed, each press and
release of the gain buttons will
then cause the Trailer Gain
setting to change.
. Activating the Manual Trailer
Brake Apply lever.
. Connecting a trailer equipped
with electric trailer brakes.
All DIC warning and service
messages must first be
acknowledged by the driver by
pressing the odometer trip stem or
the DIC Vehicle Information button
(if equipped) before the Trailer
Brake Display Page can be
displayed and Trailer Gain can be
adjusted.