Dodge 2007 Ram Pickup 3500 - Manual (Page 349)

HSA on Automatic Vehicles
The system will work in reverse and all forward gears on
vehicles equipped with an automatic transmission. The
system will not activate if the vehicle is placed in neutral.
HSA on Manual Vehicles
The system will work in reverse, forward gears, and
neutral on manual transmission equipped vehicles. The
system does not recognize neutral on manual vehicles,
thus it will hold the vehicle on an incline for a short
period while in neutral, regardless of clutch position. To
prevent this, do not attempt to roll down a hill simply by
putting the transmission in neutral and letting gravity act
on the vehicle, as the HSA will prevent the vehicle from
rolling. Instead, use the appropriate gear for moving in
the desired direction.
Towing and Hauling with HSA (Vehicles Equipped
with Automatic Transmissions Only)
The HSA system does not know if your vehicle is loaded
or towing a trailer, unless the “TOW/HAUL” button,
located on the transmission gear selector lever, is se-
lected. When activated, the “TOW/HAUL” light will
illuminate in the instrument cluster. Refer to the “Starting
and Operating” Section of this manual for more informa-
tion on the “TOW/HAUL” mode. In order to accommo-
date the extra weight entailed under towing and hauling
conditions and to increase driver comfort while launch-
ing on a hill, the system recognizes when the Tow/Haul
button is activated and compensates by releasing brake
pressure at a slower rate while throttle is applied to in
order to prevent the vehicle from rolling down the hill.
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