Toyota SIENNA 2022 Manual page 228

instructions.
• Tongue Weight
The gross trailer weight should be
distributed so that the tongue
weight is 9% to 11%.
(Tongue weight /Gross trailer
weight x 100 = 9% to 11%)
A Gross trailer weight
B Tongue weight
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.
Hitch (if equipped)
Trailer hitch assemblies have
different weight capacities.
Toyota recommends the use of
Toyota hitch/bracket for your
vehicle. For details, contact your
Toyota dealer.
 If you wish to install a trailer
hitch, contact your Toyota
dealer.
 Use only a hitch that con-
forms to the gross trailer
4-1. Before driving
weight requirement of your
vehicle.
 Follow the directions supplied
by the hitch manufacturer.
 Lubricate the hitch ball with a
light coating of grease.
 Remove the hitch ball when-
ever you are not towing a
trailer. Remove the trailer
hitch if you do not need it.
After removing the hitch, seal
any mounting holes in the
vehicle body to prevent entry
of any substances into the
vehicle.
WARNING
■ Hitch
Trailer hitch assemblies have dif-
ferent weight capacities estab-
lished by the hitch manufacturer.
Even though the vehicle may be
physically capable of towing a
higher weight, the operator must
determine the maximum weight
rating of the particular hitch
assembly and never exceed the
maximum weight rating specified
for the trailer hitch. Exceeding the
maximum weight rating set by the
trailer hitch manufacturer can
cause an accident resulting in
death or serious personal injuries.
NOTICE
■ When installing a trailer hitch
Use only the position recom-
mended by your Toyota dealer.
Do not install the trailer hitch on
the bumper; this may cause body
damage.
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