Jeep CHEROKEE - Hill Start Assist (HSA)

WARNING!
The Brake Assist System (BAS) cannot pre-
vent the natural laws of physics from acting on
the vehicle, nor can it increase the traction
afforded by prevailing road conditions. BAS
cannot prevent collisions, including those re-
sulting from excessive speed in turns, driving
on very slippery surfaces, or hydroplaning.
The capabilities of a BAS-equipped vehicle
must never be exploited in a reckless or
dangerous manner, which could jeopardize
the user’s safety or the safety of others.
Electronic Roll Mitigation (ERM)
This system anticipates the potential for wheel
lift by monitoring the driver’s steering wheel
input and the speed of the vehicle. When ERM
determines that the rate of change of the steer-
ing wheel angle and vehicle’s speed are suffi-
cient to potentially cause wheel lift, it then
applies the appropriate brake and may also
reduce engine power to lessen the chance that
wheel lift will occur. ERM will only intervene
during very severe or evasive driving maneu-
vers. ERM can only reduce the chance of wheel
lift occurring during severe or evasive driving
maneuvers. It cannot prevent wheel lift due to
other factors, such as road conditions, leaving
the roadway, or striking objects or other ve-
hicles.
NOTE:
ERM is disabled anytime the ESC is in “Full
Off” mode. Refer to Electronic Stability Con-
trol (ESC) for a complete explanation of the
available ESC modes.
WARNING!
Many factors, such as vehicle loading, road
conditions, and driving conditions, influence
the chance that wheel lift or rollover may
occur. Electronic Roll Mitigation (ERM) cannot
prevent all wheel lift or rollovers, especially
those that involve leaving the roadway or
striking objects or other vehicles. The capa-
bilities of an ERM-equipped vehicle must
never be exploited in a reckless or dangerous
manner, which could jeopardize the user’s
safety or the safety of others.
Hill Start Assist (HSA)
The HSA system is designed to help the driver
accelerate the vehicle from a complete stop
while on an incline. If the driver releases the
brake while stopped on an incline, HSA will
continue 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 system will release brake
pressure in proportion to amount of throttle
applied.
The following conditions must be met in order
for HSA to activate:
• The vehicle must be stopped.
• The vehicle must be on a 7% or greater
incline.
• The gear selection must match vehicle uphill
direction (i.e., vehicle facing uphill is in for-
ward gear; vehicle backing uphill is in RE-
VERSE gear).
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