Toyota 2014 Sienna Manual page 379

Trailer Tongue Weight
● A recommended tongue weight varies in accordance with the types
of trailers or towing as described below.
● To ensure the recommended values shown below, the trailer must
be loaded by referring to the following instructions.
• Tongue Weight
The gross trailer weight should be distributed so that the tongue
weight is 9 to 11 %.
(Tongue weight / Gross trailer weight  100 = 9 to 11 %)
The gross trailer weight, gross axle weight and tongue weight
can be measured with platform scales found at a highway
weighing station, building supply company, trucking company,
junk yard, etc.
SIENNA_OM_OM45483U_(U)
2-5. Driving information
Gross trailer weight
Tongue weight
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