Jeep WRANGLER 2023 Owner's Manual page 239

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WARNING!
When in "Partial Off" mode, the TCS functionality
of ESC, except for the limited slip feature described
in the TCS section, has been disabled and the ESC
OFF Indicator Light will be illuminated. When in
"Partial Off" mode, the engine power reduction
feature of TCS is disabled, and the enhanced
vehicle stability offered by the ESC system is
reduced.
Trailer Sway Control (TSC) is disabled when the
ESC system is in the "Partial Off" mode.
Full Off — If Equipped
The "Full Off" mode is intended for off-highway or off-
road use only and should not be used on any public
roadways. In this mode, TCS and ESC features are
turned off. To enter the "Full Off" mode, push and hold
the ESC OFF button for five seconds while the vehicle is
stopped with the engine running. After five seconds, a
chime will sound, the ESC OFF Indicator Light will illumi-
nate, and the "ESC Off" message will display in the
instrument cluster. To turn ESC on again, momentarily
push the ESC OFF button.
NOTE:
System may switch from ESC "Full Off" to "Partial Off"
mode when vehicle exceeds a predetermined speed.
When the vehicle speed slows below the predetermined
speed the system will return to ESC "Full Off".
If equipped with Off Road+ and if Off Road+ is active
when "Full Off" mode is enabled by the driver, ESC will
not switch to "Partial Off" mode at any speed and will
remain in "Full Off" mode until Off Road+ is exited or
ESC is re-enabled by the driver.
WARNING!
In the ESC "Full Off" mode, the engine torque
reduction and stability features are disabled.
Therefore, enhanced vehicle stability offered by
the ESC system is unavailable. In an emergency
evasive maneuver, the ESC system will not engage
to assist in maintaining stability. ESC "Full Off"
mode is intended for off-highway or off-road use
only.
The Electronic Stability Control (ESC) cannot pre-
vent the natural laws of physics from acting on the
vehicle, nor can it increase the traction afforded by
prevailing road conditions. ESC cannot prevent all
accidents, including those resulting from excessive
speed in turns, driving on very slippery surfaces, or
hydroplaning. ESC also cannot prevent collisions.
ESC Activation/Malfunction Indicator
Light And ESC OFF Indicator Light
The ESC Activation/Malfunction Indicator
Light in the instrument cluster will come on
when the ignition is turned to the "ESC On"
mode. It should go out with the engine run-
ning. If the ESC Activation/Malfunction Indicator Light
comes on continuously with the engine running, a mal-
function has been detected in the ESC system. If this
light remains on after several ignition cycles, and the
vehicle has been driven several miles (km) at speeds
greater than 30 mph (48 km/h), see an authorized
dealer as soon as possible to have the problem diag-
nosed and corrected.
The ESC Activation/Malfunction Indicator Light starts to
flash as soon as the tires lose traction and the ESC sys-
tem becomes active. The ESC Activation/Malfunction
SAFETY
Indicator Light also flashes when 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.
The ESC OFF Indicator Light indicates the
customer has elected to have the Electronic
Stability Control (ESC) in a reduced mode.
NOTE:
The ESC Activation/Malfunction Indicator Light and
the ESC OFF Indicator Light come on momentarily
each time the ignition is placed in the ON position.
Each time the ignition is place in the ON position,
the ESC system will be on even if it was turned off
previously.
The ESC system will make buzzing or clicking
sounds when it is active. This is normal; the sounds
will stop when ESC becomes inactive following the
maneuver that caused the ESC activation.
Hill Descent Control (HDC) — If Equipped
HDC is intended for low speed off-road driving while in
4WD Low. HDC maintains vehicle speed while descend-
ing hills during various driving situations. HDC controls
vehicle speed by actively controlling the brakes.
HDC has three states:
1. Off (feature is not enabled and will not activate).
2. Enabled (feature is enabled and ready but activation
conditions are not met, or driver is actively overrid-
ing with brake or throttle application).
3. Active (feature is enabled and actively controlling
vehicle speed).
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