2013 JEEP GRAND CHEROKEE run flat

The Advanced Front Air Bags and Supplemental Driver
and Front Passenger Knee Air Bags will not deploy in all
frontal collisions, including some that may produce sub-
stantial vehicle damage — for example, some pole colli-
sions, truck underrides, and angle offset collisions. On
the other hand, depending on the type and location of
impact, Advanced Front Air Bags may deploy in crashes
with little vehicle front-end damage but that produce a
severe initial deceleration.
The side air bags will not deploy in all side collisions.
Side air bag deployment will depend on the severity and
type of collision.
Because air bag sensors measure vehicle deceleration
over time, vehicle speed and damage by themselves are
not good indicators of whether or not an air bag should
have deployed.Seat belts are necessary for your protection in all colli-
sions, and also are needed to help keep you in position,
away from an inflating air bag.
The ORC monitors the readiness of the electronic parts of
the air bag system whenever the ignition switch is in the
START or ON/RUN position. If the key is in the OFF
position, in the ACC position, or not in the ignition, the
air bag system is not on and the air bags will not inflate.
The ORC contains a backup power supply system that
may deploy the air bags even if the battery loses power or
it becomes disconnected prior to deployment.
Also, the ORC turns on the Air Bag Warning
Light in the instrument panel for approxi-
mately four to eight seconds for a self-check
when the ignition is first turned on. After the
self-check, the Air Bag Warning Light will turn off. If the
ORC detects a malfunction in any part of the system, it
76 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

Maintaining Your Air Bag System
WARNING!
•Modifications to any part of the air bag system
could cause it to fail when you need it. You could
be injured if the air bag system is not there to
protect you. Do not modify the components or
wiring, including adding any kind of badges or
stickers to the steering wheel hub trim cover or the
upper right side of the instrument panel. Do not
modify the front bumper, vehicle body structure, or
add aftermarket side steps or running boards.
•It is dangerous to try to repair any part of the air
bag system yourself. Be sure to tell anyone who
works on your vehicle that it has an air bag system.
(Continued)
WARNING!(Continued)
•Do not attempt to modify any part of your air bag
system. The air bag may inflate accidentally or may
not function properly if modifications are made.
Take your vehicle to an authorized dealer for any
air bag system service. If your seat, including your
trim cover and cushion, needs to be serviced in any
way (including removal or loosening/tightening of
seat attachment bolts), take the vehicle to your
authorized dealer. Only manufacturer approved
seat accessories may be used. If it is necessary to
modify the air bag system for persons with dis-
abilities, contact your authorized dealer.
2
THINGS TO KNOW BEFORE STARTING YOUR VEHICLE 81

Air Bag Warning Light
You will want to have the air bags ready to
inflate for your protection in a collision. The
Air Bag Warning Light monitors the internal
circuits and interconnecting wiring associated
with air bag system electrical components. While the air
bag system is designed to be maintenance free. If any of
the following occurs, have an authorized dealer service
the air bag system immediately.
•The Air Bag Warning Light does not come on during
the four to eight seconds when the ignition is first
cycled to the ON/RUN.
•The Air Bag Warning Light remains on after the four to
eight-second interval.
•The Air Bag Warning Light comes on intermittently or
remains on while driving.NOTE:
If the speedometer, tachometer, or any engine
related gauges are not working, the Occupant Restraint
Controller (ORC) may also be disabled. The air bags may
not be ready to inflate for your protection. Promptly check
the fuse block for blown fuses. Refer to the label located
on the inside of the fuse block cover for the proper air bag
fuses. See your authorized dealer if the fuse is good.
Event Data Recorder (EDR)
This vehicle is equipped with an event data recorder
(EDR). The main purpose of an EDR is to record, in
certain crash or near crash-like situations, such as an air
bag deployment or hitting a road obstacle, data that will
assist in understanding how a vehicle’s systems per-
formed. The EDR is designed to record data related to
82 THINGS TO KNOW BEFORE STARTING YOUR VEHICLE

RECREATIONAL TOWING (BEHIND MOTORHOME, ETC.)
Towing This Vehicle Behind Another Vehicle
Towing Condition Wheel OFF the GroundTwo-Wheel
Drive ModelsFour-Wheel
Drive Models
Flat Tow NONENOT ALLOWED See Instructions
•Transmission in PARK
•Transfer case in NEU-
TRAL (N)
•Tow in forward direc-
tion
Dolly Tow FrontNOT ALLOWED NOT ALLOWED
Rear OKNOT ALLOWED
On Trailer ALL OK OK
NOTE:Vehicles equipped with Quadra-Lift™ must be
lowered to the “Park” (lowest) level, and have automatic
leveling disabled, before tying them down (from thebody) on a trailer or flatbed truck. Refer to “Quadra-
Lift™ – If Equipped” in “Starting and Operating” for
more information. If the vehicle cannot be lowered to the
“Park” level (for example, engine will not run), tie-downs5
STARTING AND OPERATING 571

Jacking Instructions
WARNING!
Carefully follow these tire changing warnings to
help prevent personal injury or damage to your
vehicle:
•Always park on a firm, level surface as far from the
edge of the roadway as possible before raising the
vehicle.
•Turn on the Hazard Warning flasher.
•Block the wheel diagonally opposite the wheel to
be raised.
•Set the parking brake firmly and set an automatic
transmission in PARK.
•Never start or run the engine with the vehicle on a
jack.
(Continued)
WARNING!(Continued)
•Do not let anyone sit in the vehicle when it is on a
jack.
•Do not get under the vehicle when it is on a jack. If
you need to get under a raised vehicle, take it to a
service center where it can be raised on a lift.”
•Only use the jack in the positions indicated and for
lifting this vehicle during a tire change.
•If working on or near a roadway, be extremely
careful of motor traffic.
•To assure that spare tires, flat or inflated, are
securely stowed, spares must be stowed with the
valve stem facing the ground.
586 WHAT TO DO IN EMERGENCIES

8. The vehicle may then be started in NEUTRAL.
9. Reinstall the shift lever override access cover and
cupholder liner.
TOWING A DISABLED VEHICLE
This section describes procedures for towing a disabled
vehicle using a commercial wrecker service. If the trans-
mission and drivetrain are operable, disabled vehicles
may also be towed as described under “Recreational
Towing” in the “Starting and Operating” section.NOTE:Vehicles equipped with Quadra-Lift™ must be
lowered to the Park (lowest) level, and have automatic
leveling disabled, before tying them down (from the
body) on a trailer or flatbed truck. Refer to the section on
Quadra-Lift™ for more information. If the vehicle cannot
be lowered to the Park level (for example, engine will not
run), tie-downs must be fastened to the axles (not to the
body). Failure to follow these instructions may cause
fault codes to be set and/or cause loss of proper tie-down
tension.
6
WHAT TO DO IN EMERGENCIES 601

Towing
ConditionWheels OFF
the Ground2WD Models 4WD Models
Flat Tow NONEIf transmission is operable:
•Transmission inNEUTRAL
•30 mph (48 km/h)max speed
•15 miles (24 km)maxdistance
See instructions in “Recreational Tow-
ing” under “Starting and Operating”
•Transmission inPARK
•Transfer Case inNEUTRAL
•To w i nforwarddirection
Wheel Lift or
Dolly TowFrontNOT ALLOWED
Rear OKNOT ALLOWED
FlatbedALL BEST METHOD BEST METHOD
Proper towing or lifting equipment is required to prevent
damage to your vehicle. Use only tow bars and other
equipment designed for this purpose, following equip-
ment manufacturer ’s instructions. Use of safety chains is
mandatory. Attach a tow bar or other towing device to
main structural members of the vehicle, not to bumpers
or associated brackets. State and local laws regarding
vehicles under tow must be observed.If you must use the accessories (wipers, defrosters, etc.)
while being towed, the ignition must be in the ON/RUN
position, not the ACC position.
If the key fob is unavailable, or the vehicle’s battery is
discharged, refer to “Shift Lever Override” or “Manual
Park Release” in “What to Do in Emergencies” for instruc-
tions on shifting the transmission out of PARK for towing.
602 WHAT TO DO IN EMERGENCIES