Trailer towing (2WD models and AWD models without towing package)
Lexus does not recommend towing a trailer with your vehicle. Lexus also does not recommend the installation of a tow hitch or the use of a tow hitch carrier for a wheelchair, scooter, bicycle, etc. Your vehicle is not designed for trailer towing or for the use of tow hitch mounted carriers.

See also:
2005 Lexus GX 470 review
The workings of the GX470 leave me oh so tired. Maybe it's the woman in me,
maybe it's the mom in me, but there's a lot about this SUV I don't get. The
first thing that strikes my negative vibe is ...
Vanity mirror
The light turns on when the
cover is opened. ...
Items to initialize
The following items must be initialized for normal system operation in
cases
such as after the 12-volt battery is reconnected, or maintenance is performed
on the vehicle.
...
