2021 JEEP CHEROKEE Owner handbook (in English)

143
SafeHold
SafeHold is a safety feature of the Electric
Park Brake System that will engage the park
brake automatically if the vehicle is left
unsecured while the ignition is in ON/RUN.
For automatic transmissions, the park brake
will automatically engage if all of the
following conditions are met:
The vehicle is at a standstill.
There is no attempt to depress the brake
pedal or accelerator pedal.
The seat belt is unbuckled.
The driver door is open.
For manual transmissions, the park brake
will automatically engage if all of the
following conditions are met:
The vehicle is at a standstill.
There is no attempt to depress the brake
pedal or accelerator pedal.
The clutch pedal is not pressed.
The seat belt is unbuckled.
The driver door is open.
MANUAL TRANSMISSION —
IF EQUIPPED NOTE:
During cold weather, you may experience
increased effort in shifting until the trans -
mission fluid warms up. This is normal.
Shifting
Fully press the clutch pedal before shifting
gears. As you release the clutch pedal, lightly
press the accelerator pedal.
You should always use FIRST gear when
starting from a standing position.
WARNING!
You or others could be injured if you leave
the vehicle unattended without having the
parking brake fully applied. The parking
brake should always be applied when the
driver is not in the vehicle, especially on
an incline.
CAUTION!
Never drive with your foot resting on the
clutch pedal, or attempt to hold the
vehicle on a hill with the clutch pedal
partially engaged, as this will cause
abnormal wear on the clutch.
Do not drive with your hand resting on
the gear selector as the force exerted,
even if slight, could lead over time to
premature wear of the gearbox internal
components.
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(Continued)
Recommended Vehicle Shift Speeds
To utilize your manual transmission efficiently for fuel economy and performance, it should be upshifted as listed in the recommended shift
speed chart. Shift at the vehicle speeds listed for acceleration. When heavily loaded or pulling a trailer, these recommended up-shift speeds
may not apply.
Downshifting
Moving from a high gear down to a lower gear
is recommended to preserve brakes when
driving down steep hills. In addition, down-
shifting at the right time provides better
acceleration when you desire to resume
speed. Downshift progressively. Do not skip
gears to avoid overspeeding the engine and
clutch.
Manual Transmission Shift Speeds in MPH (KM/H)
All Engines Gear Selection 2 to 33 to 44 to 55 to 6
Accel. 24 (39) 34 (55) 47 (76) 56 (90)
Cruise 19 (31) 27 (43) 37 (60) 41 (66)
WARNING!
Do not downshift for additional engine
braking on a slippery surface. The drive
wheels could lose their grip, and the
vehicle could skid.
CAUTION!
Skipping gears and downshifting into
lower gears at higher vehicle speeds can
damage the engine and clutch systems,
Any attempt to shift into lower gear with
clutch pedal depressed may result
damage to the clutch system. Shifting
into lower gear and releasing the clutch
may result in engine damage.
When descending a hill, be very careful
to downshift one gear at a time to
prevent overspeeding the engine which
can cause engine damage, and/or clutch
damage, even if the clutch pedal is
pressed. If transfer case is in low range
the vehicle speeds to cause engine and
clutch damage are significantly lower.
Failure to follow the maximum recom -
mended downshifting speeds may cause
the engine damage and/or damage the
clutch, even if the clutch pedal is
pressed.
Descending a hill in low range with
clutch pedal depressed could result in
clutch damage.
CAUTION! (Continued)
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145
Maximum Recommended Downshift Speeds
CAUTION!
Failure to follow the maximum
recommended downshifting speeds may
cause the engine to overspeed and/or
damage the clutch disc, even if the clutch
pedal is pressed.
Manual Transmission Downshift Speeds in MPH (KM/H)
Gear Selection 6 to 55 to 44 to 33 to 22 to 1
Maximum Speed 80 (129) 70 (113)50 (81)30 (48)15 (24)
CAUTION!
If you skip a gear while downshifting or
downshift at too high of a vehicle speed,
these conditions may cause the engine to
overspeed if too low of a gear is selected
and the clutch pedal is released. Damage
to the clutch and the transmission can
result from skipping a gear while
downshifting or downshifting at too high of
a vehicle speed even if the clutch pedal is
held pressed (i.e., not released).
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146
(Continued)
(Continued)
AUTOMATIC
TRANSMISSION — IF
EQUIPPED
WARNING!
It is dangerous to shift out of PARK (P)
or NEUTRAL (N) if the engine speed is
higher than idle speed. If your foot is not
firmly pressing the brake pedal, the
vehicle could accelerate quickly forward
or in reverse. You could lose control of
the vehicle and hit someone or some-
thing. Only shift into gear when the
engine is idling normally and your foot is
firmly pressing the brake pedal.
Unintended movement of a vehicle could
injure those in or near the vehicle. As
with all vehicles, you should never exit a
vehicle while the engine is running.
Before exiting a vehicle, always come to
a complete stop, then apply the parking
brake, shift the transmission into PARK,
turn the engine OFF, and remove the key
fob. When the ignition is in the LOCK/
OFF (key removal) position, (or, with
Keyless Enter-N-Go, when the ignition is
in the OFF mode) the transmission is
locked in PARK, securing the vehicle
against unwanted movement.
When leaving the vehicle, always make
sure the ignition is in the OFF mode,
remove the key fob from the vehicle, and
lock the vehicle.
Never use the PARK position as a substi
-
tute for the parking brake. Always apply
the parking brake fully when exiting the
vehicle to guard against vehicle move-
ment and possible injury or damage.
WARNING! (Continued)
Your vehicle could move and injure you
and others if it is not in PARK. Check by
trying to move the gear selector out of
PARK with the brake pedal released.
Make sure the transmission is in PARK
before exiting the vehicle.
Never leave children alone in a vehicle,
or with access to an unlocked vehicle.
Allowing children to be in a vehicle unat -
tended is dangerous for a number of
reasons. A child or others could be seri -
ously or fatally injured. Children should
be warned not to touch the parking
brake, brake pedal or the transmission
gear selector.
Do not leave the key fob in or near the
vehicle (or in a location accessible to
children), and do not leave the ignition
(in a vehicle equipped with Keyless
Enter-N-Go) in the ACC or ON/RUN
mode. A child could operate power
windows, other controls, or move the
vehicle.
WARNING! (Continued)
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147
NOTE:
You must press and hold the brake pedal
while shifting out of PARK.
Key Ignition Park Interlock
This vehicle is equipped with a Key Ignition
Park Interlock which requires the transmis-
sion to be in PARK before the ignition can be
turned to the LOCK/OFF (key removal) posi -
tion. The key fob can only be removed from
the ignition when the ignition is in the LOCK/
OFF position, and the transmission is locked
in PARK whenever the ignition is in the
LOCK/OFF position.
Brake/Transmission Shift Interlock
System
This vehicle is equipped with a Brake Trans -
mission Shift Interlock system (BTSI) that
holds the transmission gear selector in PARK
unless the brakes are applied. To shift the
transmission out of PARK, the ignition must
be in the ON/RUN mode (engine running or
not) and the brake pedal must be pressed.
The brake pedal must also be pressed to shift
from NEUTRAL into DRIVE or REVERSE
when the vehicle is stopped or moving at low
speeds.
Nine-Speed Automatic Transmission
The transmission gear range (PRND) is
displayed both beside the gear selector and
in the instrument cluster. To select a gear
range, press the lock button on the gear
selector and move the selector rearward or
forward. You must also press the brake pedal
to shift the transmission out of PARK (or
NEUTRAL, when the vehicle is stopped or
moving at low speeds). Select the DRIVE
range for normal driving. NOTE:
In the event of a mismatch between the gear
selector position and the actual transmission
gear (for example, driver selects REVERSE
while driving forward), the position indicator
will blink continuously until the selector is
returned to the proper position, or the
requested shift can be completed.
The electronically-controlled transmission
adapts its shift schedule based on driver
inputs, along with environmental and road
conditions. The transmission electronics are
self-calibrating; therefore, the first few shifts
on a new vehicle may be somewhat abrupt.
This is a normal condition, and precision
shifts will develop within a few hundred
miles (kilometers).
The nine-speed transmission has been devel
-
oped to meet the needs of current and future
FWD/AWD vehicles. Software and calibration
is refined to optimize the customer’s driving
experience and fuel economy. By design,
some vehicle and driveline combinations
utilize 9th gear only in very specific driving
situations and conditions.
CAUTION!
Shift into or out of PARK or REVERSE
only after the vehicle has come to a
complete stop.
Do not shift between PARK, REVERSE,
NEUTRAL, or DRIVE when the engine is
above idle speed.
Before shifting into any gear, make sure
your foot is firmly pressing the brake
pedal.
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148
Only shift from DRIVE to PARK or REVERSE
when the accelerator pedal is released and
the vehicle is stopped. Be sure to keep your
foot on the brake pedal when shifting
between these gears.
The transmission gear selector provides
PARK, REVERSE, NEUTRAL, DRIVE, and
MANUAL (AutoStick) shift positions. Manual
shifts can be made using the AutoStick shift
control. Moving the gear selector into the
MANUAL (-/+) position (beside the DRIVE
position) activates AutoStick mode,
providing manual shift control and displaying
the current gear in the instrument cluster (as
1, 2, 3, etc.). Toggling the gear selector
forward (-) or rearward (+) while in the
MANUAL position will manually select the
transmission gear.
Refer to “AutoStick” in the Owner’s Manual.
NOTE:
If the gear selector cannot be moved to the
PARK, REVERSE, or NEUTRAL position
(when pushed forward) it is probably in the
MANUAL (AutoStick, (+/-)) position (beside
the DRIVE position). In MANUAL (AutoStick)
mode, the transmission gear (1, 2, 3, etc.) isdisplayed in the instrument cluster. Move
the gear selector to the right (into the DRIVE
[D] position) for access to PARK, REVERSE,
and NEUTRAL.
Gear Selector
Gear Ranges
Do not depress the accelerator pedal when
shifting from PARK or NEUTRAL into
another gear range.
NOTE:
After selecting any gear range, wait a
moment to allow the selected gear to engage
before accelerating. This is especially
important when the engine is cold.
AUTOSTICK
AutoStick is a driver-interactive transmission
feature providing manual shift control, giving
you more control of the vehicle. AutoStick
allows you to maximize engine braking, elim -
inate undesirable upshifts and downshifts,
and improve overall vehicle performance.
This system can also provide you with more
control during passing, city driving, cold slip -
pery conditions, mountain driving, trailer
towing and many other situations.
Operation
When the gear selector is in the AutoStick
position (beside the DRIVE position), it can
be moved forward and rearward. This allows
the driver to manually select the transmis -
sion gear being used. Moving the gear
selector forward (-) triggers a downshift, and
rearward (+) an upshift. The current gear is
displayed in the instrument cluster.
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149
NOTE:
In AutoStick mode, the transmission will
only shift up or down when the driver moves
the gear selector rearward (+) or forward (-),
except as described below.
The transmission will automatically
upshift when necessary to prevent engine
overspeed.
The transmission will automatically down-
shift as the vehicle slows (to prevent
engine lugging) and will display the
current gear.
The transmission will automatically down -
shift to FIRST or SECOND gear
(depending on model) when coming to a
stop. After a stop, the driver should manu -
ally upshift (+) the transmission as the
vehicle is accelerated.
You can start out (from a stop) in FIRST or
SECOND gear. Starting out in SECOND
gear can be helpful in snow or icy condi -
tions. Tap the gear selector forward or
rearward to select the desired gear after
the vehicle is brought to a stop.
If a requested downshift would cause the
engine to overspeed, that shift will not
occur.
The system will ignore attempts to upshift
at too low of a vehicle speed.
Avoid using Speed Control when AutoStick
is engaged because the transmission will
not shift automatically.
Transmission shifting will be more notice-
able when AutoStick is enabled.
The system may revert to automatic shift
mode if a fault or overheat condition is
detected. To disengage AutoStick mode, return the
gear selector to the DRIVE position. You can
shift in or out of the AutoStick position at any
time without taking your foot off the acceler
-
ator pedal.
WARNING!
Do not downshift for additional engine
braking on a slippery surface. The drive
wheels could lose their grip and the
vehicle could skid, causing a collision or
personal injury.
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150
FOUR-WHEEL DRIVE
OPERATION
1-Speed Four-Wheel Drive (4X4) — If
Equipped
This feature provides on-demand four-wheel
drive (4X4). The system is automatic with no
driver inputs or additional driving skills
required. Under normal driving conditions,
the front wheels provide most of the traction.
If the front wheels begin to lose traction,
power is shifted automatically to the rear
wheels. The greater the front wheel traction
loss, the greater the power transfer to the
rear wheels.1-Speed 4X4 Switch Additionally, on dry pavement under heavy
throttle input (where one may have no wheel
spin), torque will be sent to the rear in a
pre-emptive effort to improve vehicle launch
and performance characteristics.
2-Speed Four-Wheel Drive (4x4) — If
Equipped
2-Speed 4x4 Switch
2-Speed 4x4 Switch (With Rear Lock)
The Four-Wheel Drive is fully automatic in
the normal driving mode. The Selec-Terrain
buttons provide three selectable mode posi -
tions:
4WD LOW
REAR LOCK (If Equipped)
NEUTRAL
When additional traction is required, the
4WD LOW range position can be used to
provide an additional gear reduction which
allows for increased torque to be delivered to
both the front and rear wheels. 4WD LOW is
intended for loose, slippery road surfaces
only. Driving in 4WD LOW on dry,
hard-surfaced roads may cause increased
tire wear and damage to driveline
components.
CAUTION!
All wheels must have the same size and
type tires. Unequal tire sizes must not be
used. Unequal tire size may cause failure
of the power transfer unit.
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