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Hill Start Assist (HSA)
The HSA system is designed to mitigate roll back from a
complete stop while on an incline. If the driver releases
the brake while stopped on an incline, HSA will con-
tinue to hold the brake pressure for a short period. If
the driver does not apply the throttle before this time
expires, the system will release brake pressure and the
vehicle will roll down the hill as normal.
The following conditions must be met in order for HSA
to activate:
•
The feature must be enabled.
•
The vehicle must be stopped.
•
The parking brake must be off.
•
The driver door must be closed. (If the doors are
attached, then the door must be closed. If the doors
are detached then the driver's seat belt must be
buckled.)
•
The vehicle must be on a sufficient grade.
•
The gear selection must match vehicle uphill direc-
tion (i.e., vehicle facing uphill is in forward gear;
vehicle backing uphill is in REVERSE gear).
•
HSA will work in REVERSE gear and all forward
gears. The system will not activate if the transmis-
sion is in PARK or NEUTRAL. For vehicles equipped
with a manual transmission, if the clutch is pressed,
HSA will remain active.
WARNING!
There may be situations where the Hill Start Assist
(HSA) will not activate and slight rolling may occur, such
as on minor hills or with a loaded vehicle, or while pull-
ing a trailer. HSA is not a substitute for active driving
involvement. It is always the driver's responsibility to be
attentive to distance to other vehicles, people, and
objects, and most importantly brake operation to
ensure safe operation of the vehicle under all road con-
ditions. Your complete attention is always required
while driving to maintain safe control of your vehicle.
Failure to follow these warnings can result in a collision
or serious personal injury.
Disabling And Enabling HSA
This feature can be turned on or turned off. To change
the current setting, see
page 166 for further
information.
Towing With HSA
HSA will also provide assistance to mitigate roll back
while towing a trailer.
WARNING!
•
If you use a trailer brake controller with your trailer,
the trailer brakes may be activated and deacti-
vated with the brake switch. If so, there may not be
enough brake pressure to hold both the vehicle
and the trailer on a hill when the brake pedal is
released. In order to avoid rolling down an incline
while resuming acceleration, manually activate the
trailer brake or apply more vehicle brake pressure
prior to releasing the brake pedal.
•
HSA is not a parking brake. Always apply the park-
ing brake fully when exiting your vehicle. Also, be
certain to place the transmission in PARK.
•
Failure to follow these warnings can result in a col-
lision or serious personal injury.
Rain Brake Support (RBS)
RBS may improve braking performance in wet condi-
tions. It will periodically apply a small amount of brake
pressure to remove any water buildup on the front
brake rotors. It functions when the windshield wipers
are in LO or HI speed. When RBS is active, there is no
notification to the driver and no driver interaction is
required.
Ready Alert Braking (RAB)
RAB may reduce the time required to reach full braking
during emergency braking situations. It anticipates
when an emergency braking situation may occur by
monitoring how fast the throttle is released by the
driver. The Electronic Brake Controller (EBC) will pre-
pare the brake system for a panic stop.
Selec-Speed Control (SSC) — If Equipped
SSC is intended for off-road driving in 4WD
Low only. SSC maintains vehicle speed by
actively controlling engine torque and
brakes.
(Continued)
SAFETY
189
WARNING!
6
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