ANTI-LOCK BRAKE SYSTEM
The Anti-Lock Brake System (ABS) is designed to
aid the driver in maintaining vehicle control under
adverse braking conditions. The system operates
with a separate computer to modulate hydraulic
pressure, to prevent wheel lock-up and help avoid
skidding on slippery surfaces.
All vehicle wheels and tires must be the same size
and type, and tires must be properly inflated, to
produce accurate signals for the computer.
WARNING!
Significant over or under-inflation of tires or
mixing sizes of tires or wheels on the vehicle can
lead to loss of braking effectiveness.
The ABS conducts a low-speed self-test at about
12 mph (20 km/h). If you have your foot lightly on
the brake while this test is occurring, you may feel
slight pedal movement. The movement can be
more apparent on ice and snow. This is normal.
The ABS pump motor runs during the self-test at
12 mph (20 km/h) and during an ABS stop. The
pump motor makes a low humming noise during
operation, which is normal.
WARNING!
Pumping of the Anti-Lock Brakes will diminish
their effectiveness and may lead to an accident.
Pumping makes the stopping distance longer.
Just press firmly on your brake pedal when you
need to slow down or stop.
WARNING!
•
The Anti-Lock Brake System (ABS) cannot
prevent the natural laws of physics from act-
ing on the vehicle, nor can it increase braking
or steering efficiency beyond that afforded by
the condition of the vehicle brakes and tires or
the traction afforded.
•
The ABS cannot prevent accidents, including
those resulting from excessive speed in turns,
following another vehicle too closely, or hydro-
planing. Only a safe, attentive, and skillful
driver can prevent accidents.
•
The capabilities of an ABS equipped vehicle
must never be exploited in a reckless or
dangerous manner, which could jeopardize
the user’s safety or the safety of others.
CAUTION!
The Anti-Lock Brake System (ABS) is subject to
possible detrimental effects of electronic interfer-
ence caused by improperly installed aftermarket
radios or telephones.
NOTE:
During severe braking conditions, a pulsing
sensation may occur and a clicking noise will
be heard. This is normal, indicating that the
ABS is functioning.
WARNING!
To use your brakes and accelerator more safely,
follow these tips:
•
Do not “ride” the brakes by resting your foot on
the pedal. This could overheat the brakes and
result in unpredictable braking action, longer
stopping distances, or brake damage.
•
When descending mountains or hills, repeated
braking can cause brake fade with loss of
braking control. Avoid repeated heavy braking
by downshifting the transmission or locking out
overdrive whenever possible.
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Summary of Contents for Cherokee 2009
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