lock JEEP COMMANDER 2007 1.G Repair Manual

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NOTE:Regardless of the type of operation, when a
temperature knob is set to the full clockwise or full
counterclockwise position, the system will deliver full
hot or full cold air out of the ducts, respectively.
The operator can override the AUTO mode setting and
select the direction of the air by rotating the right mode
knob to one of the following positions. When the Mode is
set to any position other than AUTO, The automatic
control of air temperature is disabled. The user must
adjust the temperature knobs to obtain the desired tem-
perature.
•Defrost
Air is directed to the windshield through the
outlets at the base of the windshield. Air is also
directed to the front door windows through the side
window demister grilles. Some airflow is delivered to
the floor while in defrost so that comfort can be
maintained.NOTE:The defrost mode is not automatically selected.
It must be manually selected, when desired.
•Defrost/Floor
Air flows through the front and rear floor outlets
and the outlets at the base of the windshield. Air
is also directed to the front door windows
through the side window demister grilles. Some air-
flow is delivered to the floor while in defrost so that
comfort can be maintained.
•Floor
Air flows through the floor outlets located under
the instrument panel and into the rear seating
area through vents under the front seats. Some airflow
is delivered to defrost while in floor mode, so that
comfort can be maintained.
•Bi-Level
Air flows both through the outlets located in the
instrument panel and those located on the floor.
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Air flows through the registers in the back of the
center console, and under the front seats to the rear
seat passengers. These registers can be closed to block
airflow. The center console outlets deliver conditioned
air while the floor outlets deliver heated air.
•Panel
Air flows through the outlets located in the in-
strument panel. Air flows through the registers in
the back of the center console to the rear seat passen-
gers. These registers can be closed to block airflow.
Depress this button to turn on and off the air
conditioning during manual operation only. Con-
ditioned outside air is then directed through the
outlets selected on the mode control dial. The button
includes an LED that illuminates when manual operation
is selected.
NOTE:To manually control the air conditioning the
mode selector must be moved out of the AUTO position.This button can be used to block out smoke,
odors, dust, high humidity, or if rapid cooling
is desired. The recirculation mode should only
be used temporarily. The button includes an
LED that illuminates, which indicates that the recircula-
tion mode is active. You may use this feature separately.
NOTE:Extended use of recirculation may cause the
windows to fog. If the interior of the windows begins to
fog, press the “Recirculate” icon button to return to
outside air. Some temp./humidity conditions will cause
captured interior air to condense on windows and ham-
per visibility. For this reason, the system will not allow
“Recirculate” to be selected while in the defrost or
defrost/floor modes. Attempting to use the recirculation
while in these modes will cause the LED in the button to
blink and then turn off.
UNDERSTANDING YOUR INSTRUMENT PANEL 241
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The rear temperature, blower speed, and mode control can
be adjusted as desired by the third row seat occupants.
NOTE:The rear climate control system cannot be con-
trolled from the front seat; it can only be turned on and
off. All control of the rear system must be performed by
the rear occupants.
Rear Blower Control
The left knob on the Rear Control Panel has four posi-
tions, “Off”, and a range of three blower speeds. This
allows the third row seat occupants to control the volume
of air circulated in the rear of the vehicle.
CAUTION!
Interior air enters the Manual Rear Zone Climate
Control system through an intake grille located in
the passenger side trim panel behind the third seat.
The heater outlets are located in the passenger side
trim panel just behind the sliding door. Do not block
or place objects directly in front of the inlet grille or
heater outlets. The electrical system could overload
causing damage to the blower motor.
Rear Control Panel
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Rear Temperature Control
The center knob on the Rear Control Panel allows the
third row seat occupants to have control of the rear
temperature as follows:
•When the temperature knob is in the cold (Blue)
position, cold air will be delivered from the outlets. As
the temperature knob is turned towards the hot (Red)
position, the air will get warmer.
Rear Mode Control

Floor
Air flows through the floor outlet located on the
right side of the rear floor into the rear seating area.
•Bi-Level
Air flows through both the outlets located in the
rear quarter trim panels, and the one located on
the floor. The rear quarter trim panel outlets can be
closed to block airflow.
•Panel
Air flows through the outlets located in the rear
quarter trim panels. These registers can be closed
to block airflow.
Operating Tips
Window Fogging
Windows will fog on the inside when the humidity inside
the vehicle is high. This often occurs in mild or cool
temperatures when it’s rainy or humid. In most cases
turning on the Air-conditioning (pressing the snowflake
button) will clear the fog. Adjust the temperature control,
air direction and blower speed to maintain comfort.
As the temperature gets colder it may be necessary to
direct air onto the windshield. Adjust the temperature
control and blower speed to maintain comfort. Higher
blower speeds will reduce fogging. Interior fogging on
the windshield can be quickly removed by selecting the
defrost mode.
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STARTING AND OPERATING
CONTENTS
Starting Procedures.....................251
▫Normal Starting......................251
▫Extreme Cold Weather (Below –20°F (–29°C) . . 252
▫If Engine Fails To Start.................252
▫After Starting........................254
Engine Block Heater — If Equipped.........255
Automatic Transmission..................255
▫Brake/Transmission Interlock System.......256
▫5–Speed Automatic Transmission..........256▫Gear Ranges.........................257
▫Rocking The Vehicle...................263
Four-Wheel Drive Operation...............264
▫Quadra-Trac IOperating
Instructions/Precautions — If Equipped.....264
▫Quadra-Trac IIOperating
Instructions/Precautions — If Equipped.....264
▫Shift Positions........................265
▫Shifting Procedures....................266
▫Quadra-Drive IISystem — If Equipped.....269
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On-Road Driving Tips...................269
Off-Road Driving Tips...................270
▫When To Use 4WD Low Range —
If Equipped.........................270
▫Driving Through Water.................270
▫Driving In Snow, Mud And Sand..........271
▫Hill Climbing........................271
▫Traction Downhill.....................272
▫After Driving Off-Road.................273
Parking Brake.........................274
Anti-Lock Brake System..................275
Power Steering........................278
Multi Displacement System (MDS) - 5.7L Engine
Only................................279Tire Safety Information...................280
▫Tire Markings........................280
▫Tire Identification Number (TIN)..........283
▫Tire Loading And Tire Pressure...........284
Tires — General Information...............288
▫Tire Pressure.........................288
▫Tire Inflation Pressures.................289
▫Tire Pressures For High Speed Operation....291
▫Radial-Ply Tires......................291
▫Tire Spinning........................291
▫Tread Wear Indicators..................292
▫Life Of Tire.........................293
▫Replacement Tires.....................293
248 STARTING AND OPERATING

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NOTE:The starter motor may run up to 30 seconds in
very cold conditions until the engine is started. The
starter can be disengaged by turning the ignition key to
the OFF position, if required.Extreme Cold Weather (below –20°F (–29°C)
To insure reliable starting at these temperatures, use of an
externally powered electric engine block heater (available
from your authorized dealer) is recommended.
If Engine Fails to Start
If the engine fails to start after you have followed the
“Normal Starting” or “Extreme Cold Weather” proce-
dures, it may be flooded. Push the accelerator pedal all
the way to the floor and hold it there while cranking the
engine. This should clear any excess fuel in case the
engine is flooded.
CAUTION!
To prevent damage to the starter, do not crank the
engine for more than 15 seconds at a time. Wait 10 to
15 seconds before trying again.
Ignition Key Positions
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ENGINE BLOCK HEATER — IF EQUIPPED
The engine block heater warms engine coolant and
permits quicker starts in cold weather. Connect the cord
to a standard 110-115 volt AC electrical outlet with
grounded, three wire extension cord.
Use the heater when temperatures below 0°F (-18°C) are
expected to last for several days.
The engine block heater cord is located:
•3.7L/4.7L 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 cord before driving.
Damage to the 110-115 volt AC electrical cord could
cause electrocution.
AUTOMATIC TRANSMISSION
CAUTION!
Damage to the transmission may occur if the follow-
ing precautions are not observed:
•Shift into P (Park) only after the vehicle has come
to a complete stop.
•Shift into or out of R (Reverse) only after the
vehicle has come to a complete stop and the
engine is at idle speed.
•Do not shift from R (Reverse), P (Park), or N
(Neutral) into any forward gear when the engine
is above idle speed.
•Before shifting into any gear, make sure your foot
is firmly on the brake pedal.
STARTING AND OPERATING 255
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WARNING!
It is dangerous to shift the selector lever out of P
(Park) or N (Neutral) if the engine speed is higher
than idle speed. If your foot is not firmly on the
brake pedal, the vehicle could accelerate quickly
forward or in reverse. You could lose control of the
vehicle and hit someone or something. Only shift
into gear when the engine is idling normally and
when your foot is firmly on the brake pedal.
Brake/Transmission Interlock System
This system prevents you from moving the gear shift out
of P (Park) and into any gear unless the brake pedal is
pressed. This system is active only while the ignition
switch is in the ON position. Always depress thebrake
pedal first,before moving the gear selector out of P
(Park).
5–Speed Automatic Transmission
The electronically controlled transmission provides a
precise shift schedule. 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.
Automatic Shift Controls
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Gear Ranges
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. If
there is a need to restart the engine be sure to cycle the
key to the LOCK position before restarting. Transmission
gear engagement may be delayed after restarting the
engine if the key is not cycled to the LOCK position first.
P (Park)
This gear position supplements the parking brake by
locking the transmission. The engine can be started in
this range. Never use P (Park) while the vehicle is in
motion. Apply the parking brake when leaving the
vehicle in this range. Always apply parking brake first,
then place the selector in P (Park) position.
WARNING!
Never use P (Park) position as a substitute for the
parking brake. Always apply parking brake fully
when parked to guard against vehicle movement and
possible injury or damage.
WARNING!
It is dangerous to shift the selector lever out of P
(Park) or N (Neutral) if the engine speed is higher
than idle speed. If your foot is not firmly on the
brake pedal, the vehicle could accelerate quickly
forward or in reverse. You could lose control of the
vehicle and hit someone or something. Only shift
into gear when the engine is idling normally and
when your right foot is firmly on the brake pedal.
STARTING AND OPERATING 257
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