Jeep Grand Cherokee 2020 Owner's Manual page 124

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122
SAFETY
WARNING!
The Brake Assist System (BAS) cannot
prevent 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 resulting 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.
Dynamic Steering Torque (DST)
Dynamic Steering Torque (DST) is a feature of
the Electronic Stability Control (ESC) and
Electric Power Steering (EPS) modules that
provides torque at the steering wheel for certain
driving conditions in which the ESC module is
detecting vehicle instability. The torque that the
steering wheel receives is only meant to help
the driver realize optimal steering behavior in
order to reach/maintain vehicle stability. The
only notification the driver receives that the
feature is active is the torque applied to the
steering wheel.
NOTE:
The DST feature is only meant to help the driver
realize the correct course of action through
small torques on the steering wheel, which
means the effectiveness of the DST feature is
highly dependent on the driver's sensitivity and
overall reaction to the applied torque. It is very
important to realize that this feature will not
steer the vehicle, meaning the driver is still
responsible for steering the vehicle.
Electronic Brake Force Distribution (EBD)
The Electronic Brake Force Distribution (EBD)
function manages the distribution of the
braking torque between the front and rear axles
by limiting braking pressure to the rear axle.
This is done to prevent overslip of the rear
wheels to avoid vehicle instability, and to
prevent the rear axle from entering ABS before
the front axle.
Electronic Roll Mitigation (ERM)
Electronic Roll Mitigation (ERM) 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 steering wheel angle and
vehicle's speed are sufficient 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
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
vehicles.
NOTE:
ERM is disabled anytime the ESC is in "Full Off"
mode (if equipped). Refer to "Electronic Stability
Control (ESC)" in this section 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. ERM cannot prevent all wheel lift or roll
overs, especially those that involve leaving
the roadway or striking objects or other
vehicles. The capabilities 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.

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