2020 JEEP WRANGLER 4WD

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Page 133 of 276

JEEP WRANGLER 2020 Owner handbook (in English) 4H Position
This range locks the front and rear driveshafts
together, forcing the front and rear wheels to
rotate at the same speed. This range (4H)
provides additional traction for loose, slip-
pery

4H Position
This range locks the front and rear driveshafts
together, forcing the front and rear wheels to
rotate at the same speed. This range (4H)
provides additional traction for loose, slip-
pery road surfaces and should not be used on
dry pavement.
The “4WD Indicator Light” (located in the
instrument cluster) will illuminate when the
transfer case is shifted into the 4H position.
N (Neutral) Position
This range disengages the front and rear
driveshafts from the powertrain. It is to be
used for flat towing behind another vehicle.
Refer to “Recreational Towing” in “Starting
And Operating” for further information.
WARNING!
You or others could be injured or killed if
you leave the vehicle unattended with the
transfer case in the NEUTRAL (N) position
without first fully engaging the parking
brake. The transfer case NEUTRAL (N)
position disengages both the front and rear
WARNING!
driveshafts from the powertrain, and will
allow the vehicle to roll, even if the auto-
matic transmission is in PARK (or manual
transmission is in gear). The parking brake
should always be applied when the driver
is not in the vehicle.
4L Position
This range locks the front and rear driveshafts
together, forcing the front and rear wheels to
rotate at the same speed. This range (4L)
provides additional traction and maximum
pulling power for loose, slippery road sur-
faces only. Do not exceed 25 mph (40 km/h).
CAUTION!
Exceeding 25 mph (40 km/h) while the
transfer case is engaged in 4L may result
in an engine overspeed condition and en-
gine damage.
The “4WD Indicator Light” (located in the
instrument cluster) will illuminate when the
transfer case is shifted into the 4L position.NOTE:
When in 4L, the “ESC Off Indicator Light”
will display in the instrument cluster.
Shifting Procedures
2H to 4H or 4H to 2H
Shifting between 2H and 4H can be made
with the vehicle stopped or in motion. With
the vehicle in motion, the transfer case will
engage/disengage faster if you momentarily
release the accelerator pedal after complet-
ing the shift. Apply a constant force when
shifting the transfer case lever.
4H to 4L or 4L to 4H
With the vehicle rolling at 2 to 3 mph (3 to
5 km/h), shift an automatic transmission into
NEUTRAL (N), or press the clutch pedal on a
manual transmission. While the vehicle is
coasting at 2 to 3 mph (3 to 5 km/h), shift the
transfer case lever firmly to the desired posi-
tion. Do not pause with the transfer case in N
(Neutral). Once the shift is completed, place
the automatic transmission into DRIVE or
release the clutch pedal on a manual trans-
mission.
131

Page 137 of 276

JEEP WRANGLER 2020 Owner handbook (in English) Possible Reasons The Engine Does Not
AUTO STOP
Prior to engine shut down, the system will
check many safety and comfort conditions to
see if they are fulfilled. In following situations
the engine will

Possible Reasons The Engine Does Not
AUTO STOP
Prior to engine shut down, the system will
check many safety and comfort conditions to
see if they are fulfilled. In following situations
the engine will not stop:
• Driver’s seat belt is not buckled.
• Outside temperature is less than 1°F
(–17°C) or greater than 104°F (40°C).
• Actual cabin temperature is significantly
different than temperature set on Auto
HVAC.
• HVAC is set to full defrost mode.
• Engine has not reached normal operating
temperature.
• Battery discharged.
• When driving in REVERSE.
• Hood is open.
• Vehicle is in 4LO transfer case mode.It may be possible for the vehicle to be driven
several times without the STOP/START sys-
tem going into a STOP/START READY state
under more extreme conditions of the items
listed above.
To Start The Engine While In The STOP/
START AUTO STOP ACTIVE Mode
When the gear selector is in NEUTRAL, the
engine will start when the clutch pedal is
pressed. The vehicle will go into STOP/START
SYSTEM NOT READY mode until the vehicle
speed is greater than 3 mph (5 km/h).
Conditions that will cause the engine to start
automatically while in STOP/START AUTO STOP
ACTIVE mode
The Engine Will Start Automatically When:
• Actual cabin temperature is significantly
different than temperature set on Auto
HVAC.
• HVAC is set to full defrost mode.
• STOP/START AUTO STOP ACTIVE time ex-
ceeds 5 minutes.• Battery voltage drops too low.
• Low brake vacuum e.g. after several brake
pedal applications.
•
Vehicle is moving faster than 3 mph (5 km/h).
• STOP/START OFF switch is pressed.
• 4WD system is put into 4LO mode.
Conditions that force a manual key cycle
start while in STOP/START AUTO STOP AC-
TIVE mode:
The Engine Will Not Start Automatically If:
• The driver’s seatbelt was unbuckled
• The engine hood has been opened
• A STOP/START system error occurs
The engine may then only be restarted with
an ignition key cycle. The STOP/START KEY
START REQUIRED message will appear in
the instrument cluster under these condi-
tions. Refer to “Instrument Cluster Display”
in “Getting To Know Your Instrument Panel”
for further information.
135

Page 144 of 276

JEEP WRANGLER 2020 Owner handbook (in English) RECREATIONAL TOWING (BEHIND MOTORHOME, ETC.)
Towing This Vehicle Behind Another Vehicle
Towing Condition Wheels OFF the Ground Four-Wheel Drive Models
Flat Tow NONESee Instructions
•
Automatic trans

Page 167 of 276

JEEP WRANGLER 2020 Owner handbook (in English) NOTE:
Push the "ESC Off" switch, to place the Elec-
tronic Stability Control (ESC) system in "Par-
tial Off" mode, before rocking the vehicle.
Refer to “Electronic Brake Control Syst

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