Electro-Hydraulic Power Steering; Stop/Start System - Automatic; Transmission (If Equipped) - Jeep WRANGLER 2021 Owner's Manual

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ELECTRO-HYDRAULIC POWER STEERING

Your vehicle is equipped with an
electro-hydraulic power steering system that
will give you good vehicle response and
increased ease of maneuverability in tight
spaces. The system will vary its assist to provide
light efforts while parking and good feel while
driving. If the electro-hydraulic power steering
system experiences a fault that prevents it from
providing power steering assist, then the
system will provide mechanical steering
capability.
CAUTION!
Extreme steering maneuvers may cause the
electrically driven pump to reduce or stop
power steering assistance in order to prevent
damage to the system. Normal operation will
resume once the system is allowed to cool.
If the "SERVICE POWER STEERING" message
and a flashing icon are displayed on the
instrument cluster screen, it indicates that the
vehicle needs to be taken to the dealer for
service. It is likely the vehicle has lost power
steering assistance Ú page 111.
If the "POWER STEERING HOT" message and an
icon are displayed on the instrument cluster
screen, it indicates that extreme steering
maneuvers may have occurred, which caused
an over temperature condition in the power
steering system. You will lose power steering
assistance momentarily until the over
temperature condition no longer exists. Once
driving conditions are safe, then pull over and
let vehicle idle for a few moments until the light
turns off Ú page 111.
NOTE:
Even if power steering assistance is no longer
operational, it is still possible to steer the
vehicle. Under these conditions there will be
a substantial increase in steering effort,
especially at very low vehicle speeds and
during parking maneuvers.
If the condition persists, see an authorized
dealer for service.
STARTING AND OPERATING
STOP/START SYSTEM — AUTOMATIC

TRANSMISSION (IF EQUIPPED)

The Engine Stop/Start (ESS) function is
developed to reduce fuel consumption. The
system will stop the engine automatically during
a vehicle stop if the required conditions are
met. Releasing the brake pedal or pressing the
accelerator pedal will automatically re-start the
engine.
ESS vehicles have been upgraded with a heavy
duty starter, enhanced battery, and other
upgraded engine parts, to handle the additional
engine starts. Vehicles equipped with eTorque
contain a heavy duty motor generator and an
additional hybrid electric battery to store energy
from vehicle deceleration for use on engine
startup after a stop as well as providing launch
torque assist.
NOTE:
It is recommended that Stop/Start system be
disabled during off-road use.
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