Chevrolet SUBURBAN - 2011 Owner's Manual page 380

9-92 Driving and Operating
The ITBC system can only be used
with trailers with electric brakes.
WARNING
Connecting a trailer that is not
compatible with the ITBC 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. An aftermarket
controller may be available for
use with trailers with surge, air,
or electric over hydraulic trailer
brake systems. To determine the
type of brakes on the trailer and
the availability of controllers,
check with your trailer
manufacturer or dealer.
When trailering, make sure of the
following:
The ITBC system is used only
with trailers that are equipped
with electric brakes.
All applicable local and federal
laws and regulations are
followed.
All electrical and mechanical
connections to the trailer are
made correctly.
The trailer s brakes are in proper
working condition.
The trailer and vehicle are
properly loaded for the towing
condition.
The ITBC system is a factory
installed item. Out of factory
installation of this system should not
be attempted. GM is not responsible
for warranty or performance of the
system resulting from out of factory
installation.
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
. 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