2003 Chevrolet Impala Owner's Manual - Page 157

2003 Chevrolet Impala Manual

Page 157 highlights

Anti-Lock Brake System Warning Light If your vehicle is equipped with anti-lock brakes, the anti-lock brake system warning light should come on for a few seconds when you turn the ignition key to ON. Traction Control System (TCS) Warning Light Your vehicle may have the traction control system. If it does, this warning light may come on for the following reasons: TRAC OFF If the anti-lock brake system warning light stays on longer than normal after you've started your engine, turn the ignition off. Or, if the light comes on and stays on when you're driving, stop as soon as possible and turn the ignition off. Then start the engine again to reset the system. If the light still stays on, or comes on again while you're driving, the anti-lock brake system needs service and you don't have anti-lock brakes. If you turn the system off by pressing the TRAC OFF button located on the instrument panel, a chime will sound and the warning light will come on and stay on. To turn the system back on, press the button again. The warning light should go off. The anti-lock brake system warning light should come on briefly when you turn the ignition key to ON. This is normal. If the light doesn't come on then, have it fixed so it will be ready to warn you if there is a problem. If there's a brake system problem that is specifically related to traction control, the traction control system will turn off and the warning light will come on. If your brakes begin to overheat, the traction control system will turn off and the warning light will come on until your brakes cool down. If the traction control system warning light comes on and stays on for an extended period of time when the system is turned on, your vehicle needs service. 3-34

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Anti-Lock Brake System
Warning
Light
If
your vehicle is equipped
with anti-lock brakes, the
anti-lock brake system
warning light should come
on for a
few
seconds
when you turn the ignition
key to
ON.
If
the anti-lock brake system warning light stays on
longer than normal after you’ve started your engine, turn
the ignition
off.
Or,
if
the light comes
on
and stays on
when
you’re driving, stop as soon as possible and turn
the ignition
off.
Then start the engine again to reset
the system.
If
the light still stays on, or comes
on again
while you’re driving, the anti-lock brake system
needs
service and
you don’t have anti-lock brakes.
The anti-lock brake system warning light should come
on briefly when
you turn the ignition key to
ON.
This
is normal.
If
the light doesn’t come
on then, have it fixed
so
it will be ready to warn
you
if
there is a problem.
Traction Control
System
(TCS)
Warning
Light
TRAC
OFF
Your
vehicle
may
have
the
traction control system.
If it
does,
this
warning
light
may
come
on
for
the
following reasons:
If
you turn the
system
off
by
pressing
the
TRAC
OFF
button located on the instrument
panel, a
chime will sound
and
the warning light
will
come
on
and stay on.
To
turn the system
back
on, press
the button again.
The warning light should go
off.
If
there’s a brake system
problem
that
is
specifically
related to traction control, the traction
control
system will turn
off
and the warning
light
will
come
on. If your brakes begin to overheat,
the
traction
control system
will turn
off
and
the
warning
light
will
come
on until your brakes cool down.
If
the traction control system warning light
comes
on
and stays on
for
an
extended period of time
when
the
system is turned on,
your vehicle needs
service.
3-34