JEEP GRAND CHEROKEE 2011 WK2 / 4.G Owners Manual

Multi-Displacement System (MDS)
(If Equipped) — 5.7L Engine Only .......... 379
 Parking Brake ........................ 379
 Electronic Brake Control System ........... 381
▫ Anti-Lock Brake System (ABS) ........... 381
▫ Traction Control System (TCS) ........... 382
▫ Brake Assist System (BAS) .............. 382
▫ Electronic Roll Mitigation (ERM) ......... 383
▫ Electronic Stability Control (ESC) ......... 384
▫ Trailer Sway Control (TSC) ............. 387
▫ Hill Start Assist (HSA) ................ 387
▫ Ready Alert Braking – If Equipped ........ 390
▫ Rain Brake Support – If Equipped ........ 390▫
Hill Descent Control (HDC) — Four-Wheel
Drive Models With MP3023 Two-Speed
Transfer Case Only ................... 390
▫ ESC Activation/Malfunction Indicator Light
And ESC Off Indicator Light ............ 392
 Tire Safety Information ................. 394
▫ Tire Markings ....................... 394
▫ Tire Identification Number (TIN) ......... 397
▫ Tire Terminology And Definitions ......... 398
▫ Tire Loading And Tire Pressure .......... 399
 Tires — General Information ............. 403
▫ Tire Pressure ....................... 403
▫ Tire Inflation Pressures ................ 404
▫ Tire Pressures For High Speed Operation . . . 406
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▫Radial-Ply Tires ..................... 406
▫ Spare Tire Matching Original Equipped Tire
And Wheel – If Equipped .............. 406
▫ Compact Spare Tire – If Equipped ........ 407
▫ Full Size Spare – If Equipped ............ 408
▫ Limited-Use Spare – If Equipped ......... 408
▫ Tire Spinning ....................... 409
▫ Tread Wear Indicators ................. 410
▫ Life Of Tire ........................ 410
▫ Replacement Tires .................... 411
 Tire Chains (Traction Devices) ............. 412
 Snow Tires .......................... 413
 Tire Rotation Recommendations ........... 414
Tire Pressure Monitor System (TPMS) ....... 415
▫ Base System ........................ 417
▫ Premium System – If Equipped .......... 420
▫ General Information .................. 424
 Fuel Requirements ..................... 424
▫ 3.6L Engine ........................ 424
▫ 5.7L Engine ........................ 424
▫ Reformulated Gasoline ................ 425
▫ Gasoline/Oxygenate Blends ............. 425
▫ E-85 Usage In Non-Flex Fuel Vehicles ...... 426
▫ MMT In Gasoline .................... 427
▫ Materials Added To Fuel ............... 427
▫ Fuel System Cautions ................. 427
340 STARTING AND OPERATING

▫Carbon Monoxide Warnings ............ 428
 Flexible Fuel (3.6L Engine Only) —
If Equipped .......................... 429
▫ E-85 General Information ............... 429
▫ Ethanol Fuel (E-85) ................... 430
▫ Fuel Requirements ................... 430
▫ Selection Of Engine Oil For Flexible Fuel
Vehicles (E-85) And Gasoline Vehicles ...... 431
▫ Starting ........................... 432
▫ Cruising Range ...................... 432
▫ Replacement Parts ................... 432
▫ Maintenance ........................ 432 
Adding Fuel ......................... 433
▫ Fuel Filler Cap (Gas Cap) .............. 433
▫ Loose Fuel Filler Cap Message ........... 436
 Vehicle Loading ...................... 436
▫ Certification Label ................... 436
 Trailer Towing ........................ 438
▫ Common Towing Definitions ............ 439
▫ Trailer Hitch Classification .............. 443
▫ Trailer Towing Weights
(Maximum Trailer Weight Ratings) ........ 444
▫ Trailer And Tongue Weight ............. 445
▫ Towing Requirements ................. 446
▫ Towing Tips ........................ 451
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Snow Plow .......................... 452
 Recreational Towing
(Behind Motorhome, Etc.) ................ 453
▫ Towing This Vehicle Behind
Another Vehicle ..................... 453
▫ Recreational Towing — Two-Wheel Drive
Models ........................... 454 ▫
Recreational Towing — Quadra-Trac I
(Single-Speed Transfer Case) Four-Wheel
Drive Models ....................... 454
▫ Recreational Towing — Quadra–
Trac II /Quadra–Drive II Four-Wheel
Drive Models ....................... 455
342 STARTING AND OPERATING

STARTING PROCEDURES
Before starting your vehicle, adjust your seat, adjust the
inside and outside mirrors, fasten your seat belt, and if
present, instruct all other occupants to buckle their seat
belts.
WARNING!
Never leave children alone in a vehicle. Leaving
unattended children in a vehicle is dangerous for a
number of reasons. A child or others could be seri-
ously or fatally injured. Do not leave the key fob in
the ignition switch. A child could operate power
windows, other controls, or move the vehicle.
Automatic Transmission
The shift lever must be in the NEUTRAL or PARK
position before you can start the engine. Apply the brakes
before shifting into any driving gear.
CAUTION!
Damage to the transmission may occur if the follow-
ing precautions are not observed:
•Shift into PARK only after the vehicle has come to
a complete stop.
•Shift into or out of REVERSE only after the
vehicle has come to a complete stop and the engine
is at idle speed.
•Do not shift from REVERSE, PARK, or 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.
Using Fob With Integrated Key (Tip Start)
NOTE:Normal starting of either a cold or a warm
engine is obtained without pumping or pressing the
accelerator pedal.
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STARTING AND OPERATING 343

Do notpress the accelerator. Use the Fob with Integrated
Key to briefly turn the ignition switch to the START
position and release it as soon as the starter engages. The
starter motor will continue to run, and it will disengage
automatically when the engine is running. If the engine
fails to start, the starter will disengage automatically in
10 seconds. If this occurs, turn the ignition switch to the
LOCK position, wait 10 to 15 seconds, then repeat the
“Normal Starting” procedure.
Keyless Enter-N-Go
This feature allows the driver to oper-
ate the ignition switch with the push
of a button, as long as the ENGINE
START/STOP button is installed and
the Remote Keyless Entry (RKE) trans-
mitter is in the passenger compart-
ment.
Installing and Removing the ENGINE
START/STOP Button
Installing the Button
1. Remove the key fob from the ignition switch.
2. Insert the ENGINE START/STOP button into the
ignition switch with the lettering facing up and readable.
3. Press firmly on the center of the button to secure it into
position.
Removing the Button
1. The ENGINE START/STOP button can be removed
from the ignition switch for key fob use.
2. Insert the metal part of the emergency key under the
chrome bezel at the 6 o’clock position and gently pry the
button loose.
344 STARTING AND OPERATING

NOTE:The ENGINE START/STOP button should only
be removed or inserted with the ignition in the LOCK
position (OFF position for Keyless Enter-N-Go).
Normal Starting
Using the ENGINE START/STOP Button
NOTE: Normal starting of either a cold or a warm
engine is obtained without pumping or pressing the
accelerator pedal.
To start the engine, the transmission must be in PARK or
NEUTRAL. Press and hold the brake pedal while press-
ing the ENGINE START/STOP button once. The system
takes over and attempts to start the vehicle. If the vehicle
fails to start, the starter will disengage automatically after
10 seconds. If you wish to stop the cranking of the engine
prior to the engine starting, press the button again.
To Turn Off the Engine Using ENGINE
START/STOP Button
1. Place the shift lever in PARK, then press and release
the ENGINE START/STOP button.
2. The ignition switch will return to the OFF position.
3. If the shift lever is not in PARK, the ENGINE START/
STOP button must be held for two seconds and vehicle
speed must be above 5 mph (8 km/h) before the engine
will shut off. The ignition switch position will remain in
the ACC position until the shift lever is in PARK and the
button is pressed twice to the OFF position. If the shift
lever is not in PARK and the ENGINE START/STOP
button is pressed once, the EVIC (if equipped) will
display a “Vehicle Not In Park” message and the engine
will remain running. Never leave a vehicle out of the
PARK position, or it could roll.
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STARTING AND OPERATING 345

NOTE:If the ignition switch is left in the ACC or RUN
(engine not running) position and the transmission is in
PARK, the system will automatically time out after
30 minutes of inactivity and the ignition will switch to the
OFF position.
Keyless Enter-N-Go Functions – With Driver ’s
Foot OFF the Brake Pedal
(In PARK or NEUTRAL Position)
The Keyless Enter-N-Go feature operates similar to an
ignition switch. It has four positions, OFF, ACC, RUN
and START. To change the ignition switch positions
without starting the vehicle and use the accessories
follow these steps.
•Starting with the ignition switch in the OFF position:
•Press the ENGINE START/STOP button once to
change the ignition switch to the ACC position (EVIC
displays “IGNITION MODE ACCESSORY”),
•Press the ENGINE START/STOP button a second time
to change the ignition switch to the RUN position
(EVIC displays “IGNITION MODE RUN”),
•Press the ENGINE START/STOP button a third time
to return the ignition switch to the OFF position (EVIC
displays “IGNITION MODE 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.
346 STARTING AND OPERATING

If Engine Fails To Start
WARNING!
•Never pour fuel or other flammable liquids into
the throttle body air inlet opening in an attempt to
start the vehicle. This could result in a flash fire
causing serious personal injury.
•Do not attempt to push or tow your vehicle to get it
started. Vehicles equipped with an automatic trans-
mission cannot be started this way. Unburned fuel
could enter the catalytic converter and once the
engine has started, ignite and damage the converter
and vehicle. If the vehicle has a discharged battery,
booster cables may be used to obtain a start from a
booster battery or the battery in another vehicle.
This type of start can be dangerous if done improp-
erly. Refer to “Jump Starting” in “What To Do In
Emergencies” for further information.
Clearing a Flooded Engine
(Using ENGINE START/STOP Button)
If the engine fails to start after you have followed the
“Normal Starting” or “Extreme Cold Weatherproce-
dures, it may be flooded. To clear any excess fuel, press
and hold the brake pedal, push the accelerator pedal all
the way to the floor and hold it, then press and release the
ENGINE START/STOP button once. The starter motor
will engage automatically, run for 10 seconds, and then
disengage. Once this occurs, release the accelerator pedal
and the brake pedal, wait 10 to 15 seconds, then repeat
the “Normal Starting” procedure.
Clearing A Flooded Engine
(Using Fob With Integrated Key)
If the engine fails to start after you have followed the
“Normal Starting” or “Extreme Cold Weather” proce-
dures, it may be flooded. To clear any excess fuel, push
the accelerator pedal all the way to the floor and hold it.
Then, turn the ignition switch to the START position and
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STARTING AND OPERATING 347

release it as soon as the starter engages. The starter motor
will disengage automatically in 10 seconds. Once this
occurs, release the accelerator pedal, turn the ignition
switch to the LOCK position, wait 10 to 15 seconds, then
repeat the “Normal Starting” procedure.
CAUTION!
To prevent damage to the starter, wait 10 to 15 sec-
onds before trying again.
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 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.
The engine block heater must be plugged in at least one
hour to have an adequate warming effect on the engine.
WARNING!
Remember to disconnect the engine block heater
cord before driving. Damage to the 110-115 Volt
electrical cord could cause electrocution.
348 STARTING AND OPERATING