See also:

Touch screen operation
This system is operated mainly by the touch screen buttons on the screen. NOTICE To prevent damaging the screen, lightly touch the screen buttons with your finger. Do not use objects other than y ...

Using the AUX port
This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Slide the auxiliary box lid. Open the cover and connect the portable audio device. ...

Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your Lexus dealer immediately. ...