trailer JEEP WRANGLER 2010 User Guide

WARNING! (Continued)
•Vehicles with trailers should not be parked on a
grade. When parking, apply the parking brake on
the tow vehicle. Put the tow vehicle automatic
transmission in PARK. With a manual transmis-
sion, shift the transmission into first gear. And
with four-wheel-drive vehicles, make sure the
transfer case is not in N (Neutral). Always, block
or\bchock\b the trailer wheels.
•GCWR must not be exceeded.
•Total weight must be distributed between the tow
vehicle and the trailer such that the following four
ratings are not exceeded:
1. GVWR
2. GTW
3. GAWR
(Continued)

WARNING!
•Do not connect trailer brakes to your vehicle’s
hydraulic brake lines. It can overload your brake
system and cause it to fail. You might not have
brakes when you need them and could have an
accident.
•Towing any trailer will increase your stopping
distance. When towing, you should allow for ad-
ditional space between your vehicle and the ve-
hicle in front of you. Failure to do so could result
in an accident.
Towing Requirements – Trailer Lights and Wiring
Whenever you pull a trailer, regardless of the trailer size,
stop lights and turn signals on the trailer are required for
motoring safety.The Trailer Tow Package will include a four–pin wiring
harness. Use a factory-approved trailer harness and
connector.
NOTE:
Do not cut or splice wiring into the vehicles
wiring harness.
The electrical connections are all complete to the vehicle
but you must mate the harness to a trailer connector.
Refer to the following illustration.
432 STARTING AND OPERATING

The automatic transmission fluid and filter should be
changed if you REGULARLY tow a trailer for more than
45 minutes of continuous operation. Refer to “Mainte-
nance Schedule” for the proper maintenance intervals.
NOTE:Check the automatic transmission fluid level
before towing.
O/D Off
To reduce the potential for automatic transmission over-
heating, select the “O/D OFF” feature when driving in
hilly areas or shift the transmission to DRIVE position 2
on more severe grades. Refer to “Automatic Transmis-
sion” in “Starting and Operating” for further
information.
Electronic Speed Control – If Equipped

Do not use in hilly terrain or with heavy loads.
When using the speed control, if you experience speed
drops greater than 10 mph (16 km/h), disengage until
you can get back to cruising speed.
Use speed control in flat terrain and with light loads to
maximize fuel efficiency.
Cooling System
To reduce potential for engine and transmission over-
heating, take the following actions:
Highway Driving
Reduce speed.
Air Conditioning
Turn off temporarily.
434 STARTING AND OPERATING

Hands-Free Phone (Uconnect™).............. 88
HardTop ............................. 160
Hard Top, Modular ...................... 160
Hard Top Removal ....................... 168
Hazard Warning Flasher ................... 440
Head Restraints ......................... 128
Head Rests ............................ 128
Headlights Bulb Replacement ...................... 498
Dimmer Switch ....................... 138
Replacing ........................... 498
Switch .............................. 136
Heater ............................... 317
Heater, Engine Block ..................... 335
High Beam Indicator ..................... 247
Hill Start Assist ......................... 375
Hitches Trailer Towing ........................ 424
Holder, Cup ........................... 152 Hood Release
.......................... 135
Hydraulic Clutch Fluid .................... 480
Ignition ............................... 12
Key ................................ 12
Ignition Key Removal ..................... 12
Illuminated Entry ........................ 19
Immobilizer (Sentry Key) ................... 14
Infant Restraint .......................... 62
Inflation Pressure Tires .................... 398
Inside Rearview Mirror .................... 86
Instrument Cluster ....................... 245
Instrument Panel and Controls .............. 244
Instrument Panel Lens Cleaning ............. 486
Integrated Power Module (Fuses) ............ 490
Interior Appearance Care .................. 485
Interior Lights .......................... 140
Intermittent Wipers (Delay Wipers) ........... 143
Introduction ............................. 4
542 INDEX

Pressure Monitor System (TPMS)........... 406
Pressure Warning Light .................. 252
Quality Grading ....................... 533
Radial .............................. 401
Replacement ......................... 403
Rotation ............................ 404
Safety .............................. 387
Sizes ............................... 389
Spare Tire ........................... 443
Spinning ............................ 401
Tread Wear Indicators ................... 402
To Open Hood .......................... 135
Tongue Weight/Trailer Weight .............. 427
Torque Converter Clutch .................. 345
Tow Hooks, Emergency ................... 450
Towing ............................ 420,451
24-Hour Towing Assistance ............... 103
Disabled Vehicle ....................... 451
Guide .............................. 424 Recreational
.......................... 435
Weight .............................. 424
Towing Assistance ....................... 103
Trac-Lok Rear Axle ...................... 349
Traction Control ......................... 374
Trailer Sway Control (TSC) ................. 386
Trailer Towing .......................... 420
Cooling System Tips .................... 434
Hitches .......................... 41 1,424
Minimum Requirements ................. 428
Trailer and Tongue Weight ............... 427
Wiring .............................. 432
Trailer Towing Guide ..................... 424
Trailer Weight .......................... 424
Transfer Case ........................... 481
Four-Wheel-Drive Operation .............. 345
Maintenance ......................... 481
Transmission Automatic ........................... 341
550 INDEX