Toyota Highlander Owners Manual: Before driving

Driving

...

Driving the vehicle

The following procedures should be observed to ensure safe driving: ...

More about Toyota Highlander:

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 b ...