Toyota Highlander 2011 Manual page 226

2-5. Driving information
Trailer tongue load
● A recommended tongue load varies in accordance with the types
of trailers or towing as described below.
● In order to ensure the recommended values shown below, the
trailer must be loaded by referring to the following instructions.
The trailer cargo load should be distributed so that the tongue load
is 9 to 11% of the gross trailer weight, not exceeding 350 lb. (150
kg).
(Tongue load / Gross trailer weight x 100 = 9 to 11%)
If the gross trailer weight is over 2000 lbs. (900 kg), it is necessary
to use a sway control device with sufficient capacity.
The gross trailer weight and tongue load can be measured with plat-
form scales found at a highway weighing station, building supply
company, trucking company, junk yard, etc.
250
Gross trailer weight
Tongue load