Toyota 4runner 2009 User Manual page 223

When connecting and disconnecting a trailer
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Set the electronically modulated air suspension system to LO mode and
push the HEIGHT CONTROL OFF switch to turn off the rear height control
air suspension. (if equipped)
Break-in schedule
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If your vehicle is new or equipped with any new power train components
(such as an engine, transmission, differential and wheel bearing), Toyota
recommends that you do not tow a trailer until it has been driven for over 500
miles (800 km).
However, avoid full throttle acceleration.
Maintenance
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If you tow a trailer, your vehicle will require more frequent maintenance
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due to the additional load. (See "Scheduled Maintenance Guide" or
"Owner's Manual Supplement".)
Retighten the fixing bolts of the towing ball and bracket after approxi-
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mately 600 miles (1000 km).
CAUTION
Trailer towing precautions
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Follow all the instructions described in this section. Failure to do so could
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cause an accident resulting in death or serious injury.
Exceeding the towing capacity, GVWR, GCWR or GAWR can cause an
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accident resulting in death or serious injuries.
To avoid accident or injury
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Do not exceed the trailer hitch assembly weight, gross vehicle weight,
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gross axle weight and trailer tongue load capacities.
Do not exceed 45 mph (72 km/h) or the posted towing speed limit, which-
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ever is lower. As instability (swaying) of the towing vehicle-trailer combina-
tion increases as speed increases, exceeding 45 mph (72 km/h) may
cause loss of control.
Do not use cruise control when you are towing.
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Slow down and downshift before descending steep or long downhill
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grades. Do not make sudden downshifts.
2-5. Driving information
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