User Manual - Page 210

For 2019 Wrangler.

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208 GETTING TO KNOW YOUR INSTRUMENT PANEL
Yellow Warning Lights
— Anti-Lock Brake (ABS) Warning Light
This warning light monitors the Anti-Lock Brake System
(ABS). T
he light will turn on when the ignition is placed in
the ON/RUN or ACC/ON/RUN position and may stay on
for as long as four seconds.
If the ABS light remains on or turns on while driving, then
the Anti
-Lock portion of the brake system is not functioning
and service is required as soon as possible. However, the
conventional brake system will continue to operate
normally, assuming the Brake Warning Light is not also on.
If the ABS light does not turn on when the ignition is placed
in the O
N/RUN or ACC/ON/RUN position, have the brake
system inspected by an authorized dealer.
— Electronic Stability Control (ESC) Active Warning
Light — If Equipped
This warning light will indicate when the Electronic Stability
Control
system is Active. The “ESC Indicator Light” in the
instrument cluster will come on when the ignition is placed
in the ON/RUN or ACC/ON/RUN position, and when ESC
is activated. It should go out with the engine running. If the
“ESC Indicator Light” comes on continuously with the
engine running, a malfunction has been detected in the ESC
system. If this warning light remains on after several ignition
cycles, and the vehicle has been driven several miles (kilome
-
ters) at speeds greater than 30 mph (48 km/h), see an autho-
rized dealer as soon as possible to have the problem
d
iagnosed
and corrected.
The “ESC Off Indicator Light” and the “ESC Indicator
Light” c
ome on momentarily each time the ignition is
placed in the ON/RUN or ACC/ON/RUN position.
The ESC system will make buzzing or clicking sounds
when it
is active. This is normal; the sounds will stop when
ESC becomes inactive.
This light will come on when the vehicle is in an ESC event.
— Electronic S
tability Control (ESC) Off Warning
Light — If Equipped
This warning light indicates the Electronic Stability Control
(
ESC) is
off.
Each time the ignition is turned to ON/RUN or ACC/ON/
RUN, the
ESC system will be on, even if it was turned off
previously.
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