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BRAKE ASSIST
When the force applied to the brake pedal
exceeds a certain level, the Brake Assist is
activated generating greater braking force
than a conventional brake booster even
with light pedal force.
WARNING
The Brake Assist is only an aid to assist
braking operation and is not a collision
warning or avoidance device. It is the
driver’s responsibility to stay alert,
drive safely and be in control of the ve-
hicle at all times.
The VDC system uses various sensors to
monitor driver inputs and vehicle motion.
Under certain driving conditions, the VDC
system helps to perform the following
functions:
• Controls brake pressure to reduce wheel
slip on one slipping drive wheel so power
is transferred to a non-slipping drive
wheel on the same axle.
• Controls brake pressure and engine out-
put to reduce drive wheel slip based on
vehicle speed (traction control function).
• Controls brake pressure at individual
wheels and engine output to help the
driver maintain control of the vehicle in
the following conditions:
– Understeer (vehicle tends to not follow
the steered path despite increased
steering input)
– Oversteer (vehicle tends to spin due to
certain road or driving conditions)
The VDC system can help the driver to
maintain control of the vehicle, but it can-
not prevent loss of vehicle control in all driv-
ing situations.
When the VDC system operates, the
indicator light in the instrument panel
flashes to note the following:
• The road may be slippery or the system
may determine some action is required
to help keep the vehicle on the steered
path.
• You may feel a pulsation in the brake
pedal and hear a noise or vibration from
under the hood. This is normal and indi-
cates that the VDC system is working
properly.
• Adjust your speed and driving to the road
conditions.
For additional information, see “Slip indica-
tor light” (P. 2-17) and “Vehicle Dynamic Con-
trol (VDC) OFF indicator light” (P. 2-17).
If a malfunction occurs in the system, the
indicator light comes on in the instru-
ment panel. The VDC system automatically
turns off when the indicator light is on.
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
5-150 Starting and driving
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