2015 JEEP GRAND CHEROKEE heater

Heated Seats — If Equipped
On some models, the front and rear seats may be
equipped with heaters located in the seat cushions and
seat backs.
WARNING!
•Persons who are unable to feel pain to the skin
because of advanced age, chronic illness, diabetes,
spinal cord injury, medication, alcohol use, exhaus-
tion or other physical condition must exercise care
when using the seat heater. It may cause burns
even at low temperatures, especially if used for
long periods of time.
•Do not place anything on the seat or seatback that
insulates against heat, such as a blanket or cushion.
This may cause the seat heater to overheat. Sitting
in a seat that has been overheated could cause
serious burns due to the increased surface tempera-
ture of the seat.
Fold-Flat Passenger Seat
3
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 149

Front Heated Seats
The front heated seats control buttons are located within
the climate or controls screen of the touchscreen.
•Press the heated seat buttononce to turn the
HIGH setting ON.
•Press the heated seat buttona second time to turn
the LOW setting ON.
•Press the heated seat buttona third time to turn
the heating elements OFF.
If the HIGH-level setting is selected, the system will
automatically switch to LOW-level after approximately
60 minutes of continuous operation. At that time, the
display will change from HIGH to LOW, indicating the
change. The LOW-level setting will turn OFF automati-
cally after approximately 45 minutes.
NOTE:The engine must be running for the heated seats
to operate.
Vehicles Equipped With Remote Start
On models that are equipped with remote start, the
heated seats can be programed to come on during a
remote start.
This feature can be programmed through the Uconnect®
system. Refer to “Uconnect® Settings” in “Understand-
ing Your Instrument Panel” for further information.
Rear Heated Seats — If Equipped
On some models, the two rear outboard seats may be
equipped with heated seats. There are two heated seat
switches that allow the rear passengers to operate the
seats independently. The heated seat switches for each
heater are located on the rear of the center console.
150 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

You can choose from HIGH, LOW or OFF heat settings.
Amber indicator lights in each switch indicate the level of
heat in use. Two indicator lights will illuminate for
HIGH, one for LOW and none for OFF.
Press the switch once to select HIGH-level
heating. Press the switch a second time to select
LOW-level heating. Press the switch a third
time to shut the heating elements OFF.
When the HIGH-level setting is selected, the heater will
provide a boosted heat level during the first four minutes
of operation. Then, the heat output will drop to the
normal HIGH-level. If the HIGH-level setting is selected,
the system will automatically switch to LOW-level after
approximately 60 minutes of continuous operation. At
that time, the number of illuminated LEDs changes from
two to one, indicating the change. The LOW-level setting
will turn OFF automatically after approximately 45 min-
utes.
Rear Heated Seat Switches
3
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 151

WARNING!
•Persons who are unable to feel pain to the skin
because of advanced age, chronic illness, diabetes,
spinal cord injury, medication, alcohol use, exhaus-
tion or other physical condition must exercise care
when using the seat heater. It may cause burns
even at low temperatures, especially if used for
long periods of time.
•Do not place anything on the seat or seatback that
insulates against heat, such as a blanket or cushion.
This may cause the seat heater to overheat. Sitting
in a seat that has been overheated could cause
serious burns due to the increased surface tempera-
ture of the seat.
Front Ventilated Seats — If Equipped
Located in the seat cushion and seat back are small fans
that draw the air from the passenger compartment and
move air through fine perforations in the seat cover to
help keep the driver and front passenger cooler in higher
ambient temperatures. The fans operate at two speeds,
HIGH and LOW.
The front ventilated seats control buttons are located
within the Uconnect® system. You can gain access to the
control buttons through the climate screen or the controls
screen.
•Press the ventilated seat buttononce to choose
HIGH.
•Press the ventilated seat buttona second time to
choose LOW.
•Press the ventilated seat buttona third time to
turn the ventilated seat OFF.
NOTE:The engine must be running for the ventilated
seats to operate.
152 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

NOTE:The engine must be running for the heated
steering wheel to operate.
Vehicles Equipped With Remote Start
On models that are equipped with remote start, the
heated steering wheel can be programmed to come on
during a remote start through the Uconnect® system.
Refer to “Uconnect® Settings” in “Understanding Your
Instrument Panel” for further information.
WARNING!
•Persons who are unable to feel pain to the skin
because of advanced age, chronic illness, diabetes,
spinal cord injury, medication, alcohol use, exhaus-
tion, or other physical conditions must exercise
care when using the steering wheel heater. It may
cause burns even at low temperatures, especially if
used for long periods.
•Do not place anything on the steering wheel that
insulates against heat, such as a blanket or steering
wheel covers of any type and material. This may
cause the steering wheel heater to overheat.
3
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 187

STARTING AND OPERATING
CONTENTS
!STARTING PROCEDURES................421
▫Automatic Transmission................421
▫Keyless Enter-N-Go™..................422
▫Normal Starting.......................422
▫Extreme Cold Weather
(Below –20°F Or−29°C)................424
▫If Engine Fails To Start.................424
▫After Starting........................426
!ENGINE BLOCK HEATER — IF EQUIPPED . . .426
!AUTOMATIC TRANSMISSION............426
▫Key Ignition Park Interlock...............428
▫Brake/Transmission Shift Interlock System . . .428
▫Fuel Economy (ECO) Mode..............429
▫Eight–Speed Automatic Transmission.......430
!FOUR-WHEEL DRIVE OPERATION.........440
▫Quadra-Trac I® Operating Instructions/
Precautions — If Equipped..............440
▫Quadra-Trac II® Operating Instructions/
Precautions — If Equipped..............440
▫Shift Positions........................442
5

and START. To change the ignition positions without
starting the vehicle and use the accessories follow these
steps:
•Starting with the ignition in the OFF position,
•Push the ENGINE START/STOP button once to place
the ignition to the ACC position (DID will display
“ACC”),
•Push the ENGINE START/STOP button a second time
to place the ignition to the RUN position (DID will
display “ON/RUN”),
•Push the ENGINE START/STOP button a third time to
return the ignition to the OFF position (DID will
display “OFF”).
Extreme Cold Weather (Below –20°F Or−29°C)
To ensure reliable starting at these temperatures, use of
an externally powered electric engine block heater (avail-
able from your authorized dealer) is recommended.
If Engine Fails To Start
WARNING!
•Never pour fuel or other flammable liquid into the
throttle body air inlet opening in an attempt to start
the vehicle. This could result in flash fire causing
serious personal injury.
(Continued)
424 STARTING AND OPERATING

After Starting
The idle speed is controlled automatically and it will
decrease as the engine warms up.
ENGINE BLOCK HEATER — IF EQUIPPED
The engine block heater warms the engine, and permits
quicker starts in cold weather. Connect the cord to a
standard 110-115 Volt AC electrical outlet with a
grounded, three-wire extension cord.
The engine block heater must be plugged in at least one
hour to have an adequate warming effect on the engine.
The engine block heater cord is located:
•3.6L Engine — Coiled and strapped to the engine oil
dipstick tube.
•5.7L Engine — Bundled and fastened to the injector
harness.
WARNING!
Remember to disconnect the engine block heater
cord before driving. Damage to the 110-115 Volt
electrical cord could cause electrocution.
AUTOMATIC TRANSMISSION
WARNING!
•It is dangerous to shift out of PARK or NEUTRAL
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 re-
verse. You could lose control of the vehicle and hit
someone or something. Only shift into gear when
the engine is idling normally and your foot is
firmly pressing the brake pedal.
(Continued)
426 STARTING AND OPERATING