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The Tow/Haul mode works with the Autoride
if the vehicle has this, to enhance the ride when
trailering or with a loaded vehicle. See Autoride
page 5 50.
Grade Braking (Hydra-Matic
Automatic Transmission)
The Grade Braking shift modes can be activated by
pressing the button on the end of the shift control lever.
While in Range Selection Mode , Grade Braking is
deactivated allowing the driver to select a desired range
of gears.
3-40
When Tow/Haul mode is
selected the Tow/Haul
indicator light will
come on.
®
feature,
®
on
®
6-Speed
Grade Braking is only active while the Tow/Haul Mode
is selected and you are not in the Range Selection
Mode. See Tow/Haul Mode listed previously and
Automatic Transmission Operation on page 3 33 for
more information on the Range Selection Mode. Grade
Braking assists in maintaining desired vehicle speeds
when driving on downhill grades by automatically
implementing a shift schedule that utilizes the engine
and transmission to slow the vehicle. This reduces wear
on the braking system and increases control of the
vehicle. Grade Braking monitors vehicle speed,
acceleration, engine torque and brake pedal usage.
Using this information, it detects when the truck is on a
downhill grade and the driver desires to slow the vehicle
by pressing the brake.
Also see Towing a Trailer on page 5 50 for more
information.
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