4WD JEEP GRAND CHEROKEE 2007 WK / 3.G Owners Manual

WARNING!
ESP (Electronic Stability Program) cannot prevent
the natural laws of physics from acting on the
vehicle, nor can it increase the traction afforded by
prevailing road conditions. ESP cannot prevent acci-
dents, including those resulting from excessive
speed in turns, driving on very slippery surfaces, or
hydroplaning. Only a safe, attentive, and skillful
driver can prevent accidents. The capabilities of an
ESP-equipped vehicle must never be exploited in a
reckless or dangerous manner which could jeopar-
dize the user’s safety or the safety of others.
The ESP system has 3 available operating modes in 4WD
High Range, 2 available operating modes on 2WD ve-
hicles, and 1 operating mode in 4WD Low Range.
High Range (4WD Models) or 2WD Models
On
This is the normal operating mode for ESP in 4WD high
range and in 2WD vehicles. Whenever the vehicle is
started or the transfer case (if equipped) is shifted from
4WD low range or neutral back to 4WD high range, the
ESP system will be in this mode. This mode should be
used for most all driving situations. ESP should only be
turned to “Partial Off” or “Full Off” for specific reasons
as noted below.
Partial Off
This mode is entered by momentarily depressing the
ESP Control Switch. When inPartial Offmode, the
TCS portion of ESP, except for the “limited slip” feature
described in the TCS section, has been disabled and the
ESP/TCS Indicator Lightwill be illuminated. All other
stability features of ESP function normally. This mode is
intended to be used if the vehicle is in deep snow, sand,
134 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

or gravel conditions and more wheel spin than ESP
would normally allow is required to gain traction. To
turn ESP on again, momentarily depress theESP Control
Switch. This will restore the normal “ESP On” mode of
operation.NOTE:To improve the vehicle’s traction when driving
with snow chains, or starting off in deep snow, sand, or
gravel, it may be desirable to switch to the “Partial Off”
mode by pressing the ESP switch. Once the situation
requiring ESP to be switched to the “Partial Off” mode is
overcome, turn ESP back on by momentarily depressing
the “ESP Control Switch”. This may be done while the
vehicle is in motion.
Full Off (4WD Models Only)
This mode is intended for off-highway or off-road use
when ESP stability features could inhibit vehicle maneu-
verability due to trail conditions. This mode is entered by
depressing and holding the “ESP Control Switch” for 5
seconds when the vehicle is stopped and the engine is
running. After 5 seconds, the “ESP/TCS Indicator Light”
will illuminate, and theESP OFFmessage will appear in
the Electronic Vehicle Information Center (EVIC). Refer
to “Electronic Vehicle Information Center (EVIC)” in
Section 4 of this manual.
ESP Control Switch
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 135
3

In this mode, ESP and TCS, except for the “limited slip”
feature described in the TCS section, are turned off until
the vehicle reaches a speed of 40 mph (64 km/h). At 40
mph (64 km/h) the system returns to “Partial Off” mode,
described above. When the vehicle speed drops below 35
mph (56 km/h) the ESP system shuts off. ESP is off at low
vehicle speeds so that it will not interfere with off-road
driving but ESP function returns to provide the stability
feature at speeds above 40 mph (64 km/h). The “ESP/
TCS Indicator Light” will always be illuminated when
ESP is off. To turn ESP on again, momentarily depress the
“ESP Control Switch”. This will restore the normal “ESP
On” mode of operation.
NOTE:The “ESP OFF” message will display and the
audible chime will sound when the gear selector is
placed into the “P” (Park) position from any position
other than “P” (Park), and then moved out of the “P”
(Park) position. This will occur even if the message was
previously cleared.WARNING!
With the ESP switched off, the enhanced vehicle
stability offered by ESP and ERM are unavailable. In
an emergency evasive maneuver, the ESP and ERM
systems will not engage to assist in maintaining
stability. The “Full Off” ESP mode is intended for
off-highway or off-road use only.
4WD Low Range
Full Off
This is the normal operating mode for ESP in 4WD low
range. Whenever the vehicle is started in 4WD low range,
or the transfer case (if equipped) is shifted from 4WD
high range or neutral to 4WD low range, the ESP system
will be in this mode. In 4WD low range, ESP and TCS,
except for the “limited slip” feature described in the TCS
section, are turned off until the vehicle reaches a speed of
136 UNDERSTANDING THE FEATURES OF YOUR VEHICLE

40 mph (64 km/h). At 40 mph (64 km/h), the normal ESP
stability function returns but TCS remains off. When the
vehicle speed drops below 35 mph (56 km/h), the ESP
system shuts off. ESP is off at low vehicle speeds in 4WD
low range so that it will not interfere with off-road
driving but ESP function returns to provide the stability
feature at speeds above 40 mph (64 km/h). TheESP/
TCS Indicator Lightwill always be illuminated in 4WD
low range when ESP is off.
NOTE:The “ESP OFF” message will display and the
audible chime will sound when the gear selector is
placed into the “P” (Park) position from any position
other than “P” (Park), and then moved out of the “P”
(Park) position. This will occur even if the message was
previously clearedWARNING!
With the ESP switched off, the enhanced vehicle
stability offered by ESP and ERM are unavailable. In
an emergency evasive maneuver, the ESP and ERM
systems will not engage to assist in maintaining
stability. The “Full Off” mode is intended for off-
highway or off-road use only.
ESP/BAS Warning Lamp and ESP/TCS Indicator
Light
The malfunction indicator lamp for the ESP is
combined with the BAS indicator. The yellow
“ESP/BAS Warning Lamp” and the yellow
“ESP/TCS Indicator Light” in the instrument
cluster both come on when the ignition switch is turned
to the “ON” position. They should go out with the engine
running.
UNDERSTANDING THE FEATURES OF YOUR VEHICLE 137
3

WARNING!
A hot engine cooling system is dangerous. You or
others could be badly burned by steam or boiling
coolant. If you decide to look under the hood your-
self, refer to Section 7 of this manual. Follow the
warnings under “Cooling System Pressure Cap.”
14. Electronic Vehicle Information Center Display
When the appropriate conditions exist, this display
shows the Electronic Vehicle Information Center (EVIC)
messages. Refer to “Electronic Vehicle Information Cen-
ter” later in this section.
15. TOW/HAUL Indicator Light — If Equipped
This light will illuminate when the TOW/
HAUL button has been selected. The TOW/
HAUL button is located in the center of the
instrument panel (below the climate controls).16. Electronic Stability Program (ESP) Warning
Light/Brake Assist System (BAS) Warning Light
The ESP/BAS warning light in the instrument
cluster comes on when the ignition switch is
turned to the “ON” position. The light should
go out with the engine running. If the ESP/
BAS warning light comes on continuously with the
engine running, a malfunction has been detected in either
the ESP or the BAS system. If this light stays illuminated,
have the ESP and BAS checked at your authorized dealer
as soon as possible.
17. 4WD LOW Mode Indicator Light — If Equipped
This light alerts the driver that the vehicle is in
the 4WD LOW mode. The front and rear drive-
shafts are mechanically locked together forcing
the front and rear wheels to rotate at the same speed.
180 UNDERSTANDING YOUR INSTRUMENT PANEL

•LIFTGATE/DOOR OPEN (with graphic)
•LIFTGATE/DOORS OPEN (with graphic)
•LIFTGLASS OPEN (with graphic)
•HOOD OPEN (with graphic)
•HOOD/DOOR OPEN (with graphic)
•HOOD/DOORS OPEN (with graphic)
•LIFTGATE/HOOD OPEN (with graphic)
•HOOD/GLASS/DOOR OPEN (with graphic)
•HOOD/GLASS/DOORS OPEN (with graphic)
•HOOD/GATE/DOOR OPEN (with graphic)
•HOOD/GATE/DOORS OPEN (with graphic)
•LIFTGLASS/DOOR OPEN (with graphic)
•LIFTGLASS/DOORS OPEN (with graphic)
•LIFTGLASS/HOOD OPEN (with graphic)
•WASHER FLUID LOW (with graphic)
•CHECK GAUGES
•AUTO HIGHBEAM ON
•AUTO HIGHBEAM OFF
•PARK ASSIST DISABLED
•SERVICE PARK ASSIST SYSTEM
•TRANSMISSION OVER TEMP
•CHECK SHIFT PROCEDURE
•SERVICE 4WD SYSTEM
•4WD SYSTEM IN NEUTRAL
•LOW BRAKE FLUID LEVEL
•WARNING! LIMIT SPEED
184 UNDERSTANDING YOUR INSTRUMENT PANEL

Off-Road Driving Tips...................268
▫When To Use 4WD Low Range —
If Equipped.........................268
▫Driving Through Water.................268
▫Driving In Snow, Mud And Sand..........270
▫HillClimbing ........................270
▫Traction Downhill.....................271
▫After Driving Off-Road.................271

Parking Brake.........................272

Anti-Lock Brake System..................274

Power Steering........................277

Multi Displacement System (MDS) - 5.7L Engine
Only ................................278
Tire Safety Information...................278
▫Tire Markings........................278
▫Tire Identification Number (TIN)..........282
▫Tire Loading And Tire Pressure...........283

Tires — General Information...............287
▫Tire Pressure.........................287
▫Tire Inflation Pressures.................288
▫Tire Pressures For High Speed Operation....290
▫Radial-Ply Tires......................290
▫Tire Spinning........................290
▫Tread Wear Indicators..................291
▫LifeOfTire .........................292
▫Replacement Tires.....................292
246 STARTING AND OPERATING

Fuel Requirements — Diesel...............312

Adding Fuel..........................313
▫Fuel Filler Cap (Gas Cap)...............313

Vehicle Loading........................316
▫Certification Label.....................316

TrailerTowing .........................318
▫Common Towing Definitions.............318
▫Trailer Hitch Classification...............322
▫Trailer Towing Weights (Maximum Trailer Weight
Ratings)............................323▫Trailer And Tongue Weight..............325
▫Towing Requirements..................326
▫TowingTips .........................330

Recreational Towing (Behind Motorhome, Etc.) . . 332
▫Towing – 2WD Models.................332
▫Towing — Quadra-Trac I (Single-Speed Transfer
Case) 4WD Models....................332
▫Towing — Quadra–Trac II /Quadra–Drive II 4WD
Models............................332

Snow Plow...........................336
248 STARTING AND OPERATING

WARNING!
You or others could be injured if you leave the
vehicle unattended with the transfer case in the N
(Neutral) position without first fully engaging the
parking brake. The transfer case N (Neutral) position
disengages both the front and rear driveshafts from
the powertrain and will allow the vehicle to move
regardless of the transmission position. The parking
brake should always be applied when the driver is
not in the vehicle.
Shift Positions
For additional information on the appropriate use of each
transfer case mode position, see the information below:
4HI
Four Wheel Drive High Range — All roads surfaces such
as ice, snow, gravel, sand, and dry hard pavement.
N (Neutral)
Neutral — Disengages both the front and rear driveshafts
from the powertrain. To be used for flat towing behind
another vehicle. Refer to “Recreational Towing” in Sec-
tion 5 of this manual.
4 LOW
Four Wheel Drive Low Range — Low speed 4 wheel
drive. Locks the front and rear driveshafts together.
Forces the front and rear wheels to rotate at the same
speed. Additional traction and maximum pulling power
for loose, slippery road surfaces only. Do not exceed 25
mph (40 km/h).
Shifting Procedures
4HIto4LOW
With the vehicle at speeds of 0 to 3 mph (0 to 5 km/h),
key ON or engine running, shift the transmission into N
(Neutral), and raise the transfer case T-handle. “The 4WD
264 STARTING AND OPERATING

LOW Indicator Lamp” in the instrument cluster will
begin to flash and remain on solid when the shift is
complete. Release the T-handle.
NOTE:If shift conditions/interlocks are not met, or a
transfer case motor temperature protection condition
exists, a “CHECK SHIFT PROCEDURES” message will
flash from the EVIC (Electronic Vehicle Information Cen-
ter). Refer to “Electronic Vehicle Information Center
(EVIC)” in Section 4 of this manual. (See page 183 for
more information.)
4LOWto4HI
With the vehicle at speeds of 0 to 3 mph (0 to 5 km/h),
key ON or engine running, shift the transmission into N
(Neutral), and raise the transfer case T-handle. The “4WD
Shifter T-Handle
STARTING AND OPERATING 265
5