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Your vehicle is equipped with a button at the end of
the shift lever which, when pressed, enables
tow/haul. Your vehicle may be equipped with
Autoride
®
which further improves your vehicle’s ride
while towing. See Autoride
®
on page 422 for more
information. When the button is pressed, a light on
the instrument panel will illuminate to indicate that
Tow/Haul has been selected. Tow/Haul may be
turned off by pressing the button again, at which
time the indicator light on the instrument panel will
turn off. The vehicle will automatically turn off
Tow/Haul every time it is started.
Tow/Haul is designed to be most effective when
the vehicle and trailer combined weight is at
least 75 percent of the vehicle’s Gross Combined
Weight Rating (GCWR). See Weight of the
Trailer later in this section. Tow/Haul is most useful
under the following driving conditions:
• When pulling a heavy trailer or a large or
heavy load through rolling terrain.
• When pulling a heavy trailer or a large or
heavy load in stop and go traffic.
• When pulling a heavy trailer or a large or
heavy load in busy parking lots where
improved low speed control of the vehicle is
desired.
Operating the vehicle in tow/haul when lightly
loaded or with no trailer at all will not cause
damage. However, there is no benefit to the
selection of Tow/Haul when the vehicle is
unloaded. Such a selection when unloaded may
result in unpleasant engine and transmission
driving characteristics and reduced fuel economy.
Tow/Haul is recommended only when pulling a
heavy trailer or a large or heavy load.
Weight of the Trailer
How heavy can a trailer safely be?
It depends on how you plan to use your rig. For
example, speed, altitude, road grades, outside
temperature and how much your vehicle is used to
pull a trailer are all important. It can also depend
on any special equipment that you have on
your vehicle, and the amount of tongue weight the
vehicle can carry. See “Weight of the Trailer
Tongue” later in this section for more information.
Maximum trailer weight is calculated assuming
only the driver is in the tow vehicle and it has all
the required trailering equipment. The weight
of additional optional equipment, passengers and
cargo in the tow vehicle must be subtracted
from the maximum trailer weight.
425