See also:

Destination Assist
Destination Assist provides you with live assistance for finding destinations via the Lexus Enform response center. You can request either a specific business, address, or ask for help locating yo ...

If a warning light turns oor a warning buzzer sounds
Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the system ...

Overview button and guidance screen
*: Press and hold the “PWR·VOL” knob for 3 seconds or more to turn off the screen and restart the navigation system. Do this when the vehicle-mounted device response is extremely slow. ...