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HSA Activation Criteria
The following criteria must be met in order for HSA to
activate:
• Vehicle must be stopped.
• Vehicle must be on a 6% (approximate) grade or
greater hill.
• Gear selection matches vehicle uphill direction (i.e.,
vehicle facing uphill is in forward gear; vehicle backing
uphill is in REVERSE gear).
WARNING!
There may be situations on minor hills
with
a loaded vehicle, or while pulling a
trailer where the system will not activate and
slight rolling may occur, which could cause a
collision with another vehicle or object. Always
remember the driver is res ponsible for braking
the vehicle.
HSA will work in REVERSE and all forward gears when
the activation criteria have been met. The system will
not activate if the vehicle is placed in NEUTRAL or
PARK.
Towing With HSA
HSA will provide assistance when starting on a grade
when pulling a trailer.
WARNING!
• If you use a trailer brake controller
wit
h your trailer, your trailer brakes may
be activated and deactivated with the brake
switch. If so, when the brake pedal is released,
there may not be enough brake pressure to hold
the vehicle and trailer on a hill and this could
cause a collision with another vehicle or object
behind you. In order to avoid rolling down the hill
while resuming acceleration, manually activate
the trailer brake prior to releasing the brake
pedal.Always remember the driver is responsible
for braking the vehicle.
• HSA is not a parking brake. If you stop the
vehicle on a hill without putting the transmission
in PARK and using the parking brake, it will roll
down the hill and could cause a collision with
another vehicle or object. Always remember to
use the parking brake while parking on a hill, and
that the driver is responsible for braking the
vehicle.
HSA Off
If you wish to turn off the HSA system, it can be done
using the Customer Programmable Features in the
Electronic Vehicle Information Center (EVIC). Refer to
“Electronic Vehicle Information Center (EVIC)” in
“Knowing your vehicle” for further information.
148
KNOWING
YOUR
VEHICLE
SAFETY
STAR
TING
AND
DRIVING
WARNING
LIGHTS
AND
MESSAGES
IN AN
EMERGENCY
SERVICING
AND CARE
TECHNICAL
SPECIFICATIONS
CONTENTS
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