2011 JEEP GRAND CHEROKEE ECU

If the vehicle’s battery is discharged, see Brake/
Transmission Interlock Manual Override (under Starting
and Operating, Automatic Transmission) for instructions
on shifting the automatic transmission out of the PARK
position for towing.
CAUTION!
•Do not attempt to use sling type equipment when
towing. When securing the vehicle to a flat bed
truck, do not attach to front or rear suspension
components. Damage to your vehicle may result
from improper towing.
•If the vehicle being towed requires steering, the
ignition must be in the ON/RUN or ACC position,
not in the LOCK position.
Towing Without the Ignition Key Fob
Special care must be taken when the vehicle is towed
with the ignition in the LOCK position. The only ap-
proved method of towing without the ignition key is
with a flatbed truck. Proper towing equipment is neces-
sary to prevent damage to the vehicle.
Two-Wheel Drive Models
The manufacturer recommends towing your vehicle with
all four wheelsOFFthe ground using a flatbed.
If flatbed equipment is not available, and the transmis-
sion is operable, the vehicle may be towed (with rear
wheels on the ground) with the transmission in NEU-
TRAL. Speed must not exceed 30 mph (48 km/h) and the
distance must not exceed 15 miles (24 km).
6
WHAT TO DO IN EMERGENCIES 479

WARNING! (Continued)
•To avoid contamination from foreign matter or
moisture, use only new brake fluid or fluid that
has been in a tightly closed container. Keep the
master cylinder reservoir cap secured at all times.
Brake fluid in a open container absorbs moisture
from the air resulting in a lower boiling point.
This may cause it to boil unexpectedly during hard
or prolonged braking, resulting in sudden brake
failure. This could result in a collision.
•Overfilling the brake fluid reservoir can result in
spilling brake fluid on hot engine parts, causing
the brake fluid to catch fire. Brake fluid can also
damage painted and vinyl surfaces, care should be
taken to avoid its contact with these surfaces.(Continued)
WARNING! (Continued)
•Do not allow petroleum based fluid to contami-
nate the brake fluid. Brake seal components could
be damaged, causing partial or complete brake
failure. This could result in a collision.
Front/Rear Axle Fluid
For normal service, periodic fluid level checks are not
required. When the vehicle is serviced for other reasons
the exterior surfaces of the axle assembly should be
inspected. If gear oil leakage is suspected inspect the
fluid level. Refer to “Fluids, Lubricants, and Genuine
Parts” in “Maintaining Your Vehicle” for further informa-
tion.
Front Axle Fluid Level Check
The front axle oil level needs to be between 1/8 in (3 mm)
below the bottom of the fill hole and the bottom of the fill
hole.
7
MAINTAINING YOUR VEHICLE 509

Adaptive Cruise Control (ACC) (Cruise Control) . . 167
Adding Fuel........................... 433
Additives, Fuel ......................... 427
Air Cleaner, Engine (Engine Air Cleaner Filter) . . . 492
Air Conditioner Maintenance ............... 495
Air Conditioning ........................ 324
Air Conditioning Controls ................. 324
Air Conditioning Refrigerant ............... 496
Air Conditioning System ................324,328
Air Conditioning, Operating Tips ............ 334
Air Filter .............................. 492
Air Pressure, Tires ....................... 404
Air Suspension ......................... 365
Airbag .............................. 68,77
Airbag Deployment ....................... 78
Airbag Light ................... 75,76,81,98,248
Airbag Maintenance ....................... 80
Airbag, Side ........................ 71,74,77
Airbag, Window (Side Curtain) ...........72,74,77Alarm (Security Alarm)
.................21,256
Alarm, Panic ............................ 26
Alterations/Modifications, Vehicle ............. 9
Antenna, Satellite Radio ................... 309
Anti-Lock Brake System (ABS) .............. 381
Anti-Lock Warning Light .................. 255
Anti-Theft System ....................... 256
Antifreeze (Engine Coolant) ................ 533
Appearance Care ........................ 515
Arming Theft System (Security Alarm) ......... 21
Assist, Hill Start ........................ 387
Auto Down Power Windows ................ 42
Automatic Dimming Mirror ................ 109
Automatic Door Locks ..................... 34
Automatic Headlights .................... 147
Automatic Temperature Control (ATC) ......... 328
Automatic Transmission ................350,511
Adding Fluid ......................... 514
Fluid and Filter Changes ................. 511
564 INDEX

Light Bulbs............................ 100
Lights ............................. 100,146
Airbag ...................... 75,76,81,98,248
Anti-Lock ........................... 255
Automatic Headlights ................... 147
Back-Up ............................ 530
Brake Assist Warning ................... 392
Brake Warning ........................ 253
Bulb Replacement ...................... 527
Cargo .............................. 233
Center Mounted Stop ................... 532
Daytime Running ...................... 149
Dimmer Switch, Headlight ............... 146
Electronic Stability Program (ESP) Indicator . . . 392
Exterior ............................. 100
Fog ............................. 250,528
Fuses ............................... 520
Hazard Warning Flasher ................. 462
Headlights ........................... 527 Headlights On With Wipers
............... 147
High Beam Indicator .................... 250
Hill Descent Control Indicator ............. 250
Illuminated Entry ....................... 23
Low Fuel ............................ 268
Malfunction Indicator (Check Engine) ........ 248
Map Reading ......................... 152
Reading .......................... 152,206
Rear Servicing ........................ 530
Rear Tail ............................ 530
Seat Belt Reminder ..................... 253
Security Alarm (Theft Alarm) .............. 256
Service ............................. 527
Service Engine Soon (Malfunction Indicator) . . . 248
Side Marker .......................... 530
SmartBeams .......................... 148
Tire Pressure Monitoring (TPMS) ........... 251
Tow/Haul Indicator .................... 250
Traction Control ....................... 392
10
INDEX 573

Schedule, Maintenance.................... 538
Seat Belt Reminder ....................... 65
Seat Belts ............................ 52,98
Adjustable Upper Shoulder Anchorage ........ 57
And Pregnant Women ................... 67
Child Restraint ....................... 82,91
Extender ............................. 67
Front Seat ............................ 52
Inspection ............................ 98
Maintenance ......................... 519
Pretensioners .......................... 61
Reminder ............................ 253
Shoulder Belt Anchorage ................. 57
Untwisting Procedure .................... 57
Seats ................................. 121
Adjustment .......................... 126
Cleaning ............................ 518
Easy Entry ........................... 143
Memory ............................ 140 Power
........................... 122,124
Rear Folding ......................... 137
Reclining ............................ 127
Security Against Theft ..................... 21
Security Alarm (Theft Alarm) .............21,256
Selec-Terrain ........................... 363
Selection of Oil ......................... 490
Sentry Key (Immobilizer) ................... 19
Sentry Key Programming ................... 20
Sentry Key Replacement ................... 20
Service Assistance ....................... 555
Service Contract ......................... 557
Service Engine Soon Light
(Malfunction Indicator) .................... 248
Service Manuals ........................ 559
Setting the Clock ..................... 289,298
Settings, Personal ........................ 280
Shift Lever Override ...................... 476
578 INDEX