TOYOTA 2011 Sienna User Manual
Page 387
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2-5. Driving information
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Matching trailer ball height to trailer coupler height
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Before towing
Check that the following conditions are met:
●
The vehicle’s tires are properly inflated.
●
Trailer tires are inflated according to the trailer manufacturer’s recom-
mendation.
●
All trailer lights work.
●
All lights work each time you connect them.
●
The vehicle remains level when a loaded or unloaded trailer is hitched.
Do not drive if the vehicle is not level, and check for improper tongue
load, overloading, worn suspension, or other possible causes.
●
The trailer cargo is securely loaded.
●
The rear view mirrors conform to all applicable federal, state/provincial or
local regulations. If they do not, install rear view mirrors appropriate for
towing purposes.
No matter which class of tow hitch
applies, for a safe trailer hookup, the
trailer ball setup on must be proper height
for the coupler on the trailer.
Coupler
Trailer ball