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TRAILER TOWING
Trailer towing puts additional loads on your vehicle’s engine,
transmission, axle, brakes, tires and suspension. For your safety and to
maximize vehicle performance, be sure to use the proper equipment
while towing.
Follow these guidelines to ensure safe towing:
• Do not tow a trailer until your vehicle has been driven at least
500 miles (800 km). Additionally, during the first 500 miles (800 km)
that you tow a trailer, do not drive over 70 mph (113 km/h) and do
not make starts at full throttle.
• Consult your local motor vehicle laws for towing a trailer.
• Refer to the instructions included with towing accessories for the
proper installation and adjustment specifications.
• Thoroughly prepare your vehicle for towing. Refer to Preparing to
tow in this chapter.
• Stay within your vehicle’s load limits. If exceeded, cargo should be
removed from the trailer and/or the vehicle until all weights are within
specified limits.
• Use extra caution when driving while trailer towing. Refer to Driving
while you tow in this chapter.
• Service your vehicle more frequently if you tow a trailer. Refer to
Special operating conditions in the Scheduled Maintenance Guide
chapter.
Trailer towing (standard equipment):
Your vehicle is equipped with a integrated trailer hitch and a Class I
(4-pin) trailer electrical connector. The 4-pin connector supplies power
to tail lamps, stop lamps, and turn lamps. See the trailer towing chart for
the trailer towing weight recommendations.
Trailer towing (optionally equipped trailer tow package):
The optional trailer tow package includes heavy duty trailer tow wiring.
Both a Class I (4-pin) and IV (7-pin) trailer electrical connector are
provided. Under the instrument panel a electrical connector is provided
for a customer supplied aftermarket electronic brake controller. For
installing a customer supplied electronic brake controller, a electrical
jumper harness and trailer tow electrical instructions are included with
the optional trailer tow package.
The kit containing a electrical jumper and trailer tow electrical
instructions may be purchased from any authorized dealer (part number
4L1Z-14A348-AA).
Tires, Wheels and Loading
210
2011 Navigator (nav)
Owners Guide, 1st Printing
USA (fus)