Toyota Highlander Owners Manual: Basic operations

Audio system

...

Audio system types

Entune audio   entune audio plus/entune premium audio with navigation Owners of models equipped with a navigation system should refer to the "navigation and multimedia system owne ...

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 ...