Honda Odyssey 2018 Owner's Manual page 535

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Sway control
This device can be used if your trailer tends to sway. Your trailer maker can tell you
what kind of sway control you need and how to install it. Improper installation could
degrade the handling and stability of your vehicle.
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Trailer mirrors
Many states, provinces and territories require special exterior mirrors when towing a
trailer. Install special mirrors whenever you cannot clearly see behind you, or if the
trailer creates a blind spot.
uuTowing a TraileruTowing Preparation
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