
P(Power):Press this button to turn the RSA on
or off.
Volume:Turn this knob to increase or to
decrease the volume of the wired headphones.
The left knob controls the left headphones and the
right knob controls the right headphones.
SRCE (Source):Press this button to switch
between the radio (AM/FM), XM™ (if equipped),
CD, and if your vehicle has these features,
DVD, front auxiliary, and rear auxiliary.
©¨(Seek):When listening to FM, AM, or
XM™ (if equipped), press the seek up or the seek
down arrow to go to the next or the previous
station or channels and stay there. This function is
inactive, with some radios, if the front seat
passengers are listening to the radio.
Press and hold the seek up or seek down arrow
until the display ashes, to tune to an individual
station. The display stops ashing after the buttons
have not been pushed for more than two seconds.
This function is inactive, with some radios, if
the front seat passengers are listening to the radio.
While listening to a disc, press the seek up
arrow to go to the next track or chapter on the
disc. Press the seek down arrow to go back to the
start of the current track or chapter (if more
than ten seconds have played). This function is
inactive, with some radios, if the front seat
passengers are listening to the disc.
While a DVD video menu is being displayed,
press the seek up arrow or seek down arrow to
perform a cursor up or down on the menu.
Hold the seek up arrow or seek down arrow to
perform a cursor right or left on the menu.
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Trailer Brake Control Panel
A. Manual Trailer Brake Apply Lever
B. Trailer Gain Adjustment ButtonsThe ITBC system has a control panel located on
the instrument panel to the left of the steering
column. SeeInstrument Panel Overview
(Base/Uplevel version) on page 208orInstrument
Panel Overview (Premium version) on page 211
for more information on location. The control panel
allows you to adjust the amount of output,
referred to as trailer gain, available to the electric
trailer brakes and allows you to manually apply
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.
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Trailer Brake DIC Display Page
The ITBC system displays messages into the
vehicle’s Driver Information Center (DIC). SeeDIC
Warnings and Messages on page 281for more
information.
The display page indicates Trailer Gain setting,
power output to the electric trailer brakes,
trailer connection and system operational status.
A. Trailer Gain Setting
B. Power Output to Trailer Brakes
C. No trailer with electric brakes connected or
fault presentThe 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 rst recall the
current Trailer Gain setting. After the Trailer
Brake Display Page is displayed, subsequent
depressions 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
rst be acknowledged by the driver before
the Trailer Brake Display Page can be displayed
and Trailer Gain can be adjusted.
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TRAILER GAIN – This setting is displayed
anytime the Trailer Brake Display Page is active.
This setting can be adjusted from 0.0 to 10.0
with either a trailer connected or disconnected.
To adjust the Trailer Gain, press one of the Trailer
Gain adjustment buttons located on the Trailer
Brake Control Panel. Pressg and hold a gain
button to cause the Trailer Gain to continuously
adjust. To turn the output to the trailer off,
adjust the Trailer Gain setting to 0.0 (zero).
0.0 (zero) gain is the factory default setting.
To properly adjust trailer gain, see the Trailer Gain
Adjustment Procedure later in this section.
TRAILER OUTPUT – This is displayed any time a
trailer with electric brakes is connected. Output
to the electric brakes is based on the amount
of vehicle braking present and relative to the
Trailer Gain setting. Output is displayed
from 0 to 10 bars for each gain setting.The Trailer Output will indicate “------“onthe
Trailer Brake Display Page whenever the
following occur:
No trailer is connected.
A trailer without electric brakes is connected
(no DIC message is displayed).
A trailer with electric brakes has become
disconnected (a CHECK TRAILER WIRING
message will also be displayed on the DIC).
There is a fault present in the wiring to
the electric trailer brakes (a CHECK TRAILER
WIRING message will also be displayed on
the DIC).
There is a fault in the ITBC system (a
SERVICE TRAILER BRAKE SYSTEM
message will also be displayed in the DIC).
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4. Adjust the Trailer Gain by using the gain
adjustment (+ / -) buttons on the Trailer
Brake Control Panel.
5. Drive the vehicle with the trailer attached on a
level road surface representative of the towing
condition and free of traffic at about 20 to
25 mph (32 to 40 km/h) and fully apply
the Manual Trailer Brake Apply lever.
Adjusting trailer gain at speeds lower than
20 to 25 mph (32 to 40 km/h) may result in an
incorrect gain setting.
6. Adjust the Trailer Gain to just below the point
of trailer wheel lock-up, indicated by trailer
wheel squeal or puffs of tire smoke when
a trailer wheel locks.
Trailer wheel lock-up may not occur if towing
a heavily loaded trailer. In this case, adjust
the Trailer Gain to the highest allowable
setting for the towing condition.
7. Re-adjust Trailer Gain any time vehicle
loading, trailer loading or road surface
conditions change or if you notice trailer wheel
lock-up at any time while you are towing.Other ITBC Related DIC Messages
In addition to displaying TRAILER GAIN and
TRAILER OUTPUT through the DIC, trailer
connection and ITBC system status is displayed in
the DIC.
TRAILER CONNECTED – This message will be
brie y displayed when a trailer with electric brakes
is rst connected to the vehicle. This message
will automatically turn off in about ten seconds.
The driver can also acknowledge this message
before it automatically turns off.
CHECK TRAILER WIRING – This message will be
displayed if:
1. The ITBC system rst determines connection
to a trailer with electric brakes and then the
trailer harness becomes disconnected
from the vehicle.
If the disconnect occurs while the vehicle is
stationary, this message will automatically turn
off in about thirty seconds. This message
will also turn off if the driver acknowledges this
message off or if the trailer harness is
re-connected.
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