Electronic Brake Force Distribution
(EBD)
EBD 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 over-
slip 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)
ERM anticipates the potential for wheel lift by monitor-
ing the driver’s steering wheel input and the speed of
the vehicle. When Electronic Roll Mitigation (ERM)
determines that the rate of change of the steering
wheel angle and vehicle’s speed are sufficient to poten-
tially 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 eva-
sive driving maneuvers; it cannot prevent wheel lift due
to other factors, such as road conditions, leaving the
roadway, or striking objects or other vehicles.
WARNING!
Many factors, such as vehicle loading, road condi-
tions and driving conditions, influence the chance
that wheel lift or rollover may occur. ERM cannot pre-
vent 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 dan-
gerous manner which could jeopardize the user's
safety or the safety of others.
Electronic Stability Control (ESC)
ESC enhances directional control and stability of the
vehicle under various driving conditions. ESC corrects
for oversteering or understeering of the vehicle by
applying the brake of the appropriate wheel(s) to coun-
teract these conditions. Engine power may also be
reduced to help the vehicle maintain the desired path.
•
Oversteer — when the vehicle is turning more than
appropriate for the steering wheel position.
•
Understeer — when the vehicle is turning less than
appropriate for the steering wheel position.
ESC uses sensors in the vehicle to determine the
vehicle path intended by the driver and compares it to
the actual path of the vehicle. When the actual path
does not match the intended path, ESC applies the
brake of the appropriate wheel to assist in counteract-
ing the oversteer or understeer condition.
The ESC Activation/Malfunction Indicator Light located
in the instrument cluster will start to flash as soon as
the ESC system becomes active. The ESC Activation/
Malfunction Indicator Light also flashes when the Trac-
tion Control System (TCS) is active. If the ESC
Activation/Malfunction Indicator Light begins to flash
during acceleration, ease up on the accelerator and
apply as little throttle as possible. Be sure to adapt your
speed and driving to the prevailing road conditions.
WARNING!
•
Electronic Stability Control (ESC) cannot prevent
the natural laws of physics from acting on the
vehicle, nor can it increase the traction afforded by
prevailing road conditions. ESC cannot prevent
accidents, including those resulting from excessive
speed in turns, driving on very slippery surfaces, or
hydroplaning. ESC also cannot prevent accidents
resulting from loss of vehicle control due to inap-
propriate driver input for the conditions. Only a
safe, attentive, and skillful driver can prevent acci-
dents. The capabilities of an ESC equipped vehicle
must never be exploited in a reckless or dangerous
manner which could jeopardize the user’s safety or
the safety of others.
•
Vehicle modifications, or failure to properly main-
tain your vehicle, may change the handling charac-
teristics of your vehicle, and may negatively affect
the performance of the ESC system. Changes to
the steering system, suspension, braking system,
tire type and size or wheel size may adversely
affect ESC performance. Improperly inflated and
unevenly worn tires may also degrade ESC perfor-
mance. Any vehicle modification or poor vehicle
maintenance that reduces the effectiveness of the
ESC system can increase the risk of loss of vehicle
control, vehicle rollover, personal injury and death.
SAFETY 151
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