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Trailer Lamps
WARNING: Never connect any trailer lamp wiring to the
vehicle’s tail lamp wiring; this may damage the electrical system
resulting in a fire. Contact an authorized dealer as soon as possible for
assistance in proper trailer tow wiring installation. Additional electrical
equipment may be required.
Trailer lamps are required on most towed vehicles. Make sure all running
lights, brake lights, turn signals and hazard lights are working.
Before Towing a Trailer
Practice turning, stopping and backing up to get the feel of your
vehicle-trailer combination before starting on a trip. When turning, make
wider turns so the trailer wheels clear curbs and other obstacles.
When Towing a Trailer
•
Do not drive faster than 70 mph (113 km/h) during the first 500 miles
(800 kilometers).
• Do not make full-throttle starts.
• Check your hitch, electrical connections and trailer wheel lug nuts
thoroughly after you have traveled 50 miles (80 kilometers).
• When stopped in congested or heavy traffic during hot weather, place the
gearshift in position P to aid engine and transmission cooling and to help
air conditioning performance.
• Turn off the speed control with heavy loads or in hilly terrain. The speed
control may turn off automatically when you are towing on long, steep
grades.
• Shift to a lower gear when driving down a long or steep hill. Do not apply
the brakes continuously, as they may overheat and become less effective.
• If your transmission is equipped with a Grade Assist or Tow/Haul feature,
use this feature when towing. This provides engine braking and helps
eliminate excessive transmission shifting for optimum fuel economy and
transmission cooling.
• If your vehicle is equipped with AdvanceTrac™ with RSC, this system
may turn on during typical cornering maneuvers with a heavily loaded
trailer. This is normal. Turning the corner at a slower speed while towing
may reduce this tendency.
• If your vehicle is equipped with Continuous Controlled Damping
Suspension (CCD Suspension), you can select NORMAL or SPORT drive
control modes for better experience while towing a trailer. See the
Information Displays chapter for details on selecting driving modes.
230 Towing
2015 Navigator (nav)
Owners Guide gf, 1st Printing, July 2014
USA (fus)
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