See also:

Engine oil
With the engine at operating temperature and turned off, check the oil level on the dipstick.  - Checking the engine oil Park the vehicle on level ground. After warming up the engine and t ...

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. ...