Lexus LX 570 2016 Service Manual page 202

202
4-1. Before driving
WARNING
Trailer towing precautions
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To tow a trailer safely, use extreme care and drive the vehicle in accordance with the
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trailer' s characteristics and operating conditions. Failure to do so could cause an acci-
dent resulting in death or serious injury. Vehicle stability and braking performance are
affected by trailer stability, brake setting and performance, and the hitch. Your vehicle
will handle differently when towing a trailer.
Set the vehicle height to the "LO" mode and turn off the 4-Wheel AHC when you
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connect a trailer, otherwise the vehicle height may change due to the automatic level-
ing function, and you may catch part of your body in the vehicle, resulting in an acci-
dent. (P. 297)
To avoid accident or injury
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Do not exceed the TWR, unbraked TWR, GCWR, GVWR or GAWR.
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If the gross trailer weight is over 2000 lb. (907 kg), a sway control device with suffi-
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cient capacity is required.
If the gross trailer weight is over 5000 lb. (2268 kg), a weight distributing hitch with
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sufficient capacity is required.
Adjust the tongue weight within the appropriate range. Place heavier loads as close
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to the trailer axle as possible.
Do not exceed 65 mph (104 km/h), the posted towing speed limit or the speed limit
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for your trailer as set forth in your trailer owner' s manual, whichever is lowest. Slow
down sufficiently before making a turn, in crosswinds, on wet or slippery surface, etc.
to help avoid an accident. If you experience a vehicle-trailer instability from reducing
a certain speed, slow down and make sure you keep your vehicle speed under the
speed of which you experience the instability.
Do not make jerky, abrupt or sharp turns.
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Do not apply the brakes suddenly as you may skid, resulting in jackknifing and loss of
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vehicle control. This is especially true on wet or slippery surfaces.
Do not exceed the trailer hitch assembly weight, gross vehicle weight, gross axle
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weight and trailer tongue weight capacities.
Do not use cruise control (if equipped) or dynamic radar cruise control (if equipped)
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when trailer towing.
Slow down and downshift before descending steep or long downhill grades. Do not
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make sudden downshifts while descending steep or long downhill grades.
Vehicle-trailer instability is more likely on steep long down hills. Before descending
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steep or long downhill grades, slow down and downshift. Do not make sudden down-
shifts when descending steep or long downhill grades. Avoid holding the brake pedal
down too long or applying the brakes too frequently. This could cause the brakes to
overheat and result in reduced braking efficiency.
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