See also:

Lexus Dealership Service
To ensure that your vehicle receives first-quality service and factoryauthorized parts, Lexus recommends having maintenance performed by an authorized Lexus dealership. To locate your nearest auth ...

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. ...

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. ...