See also:

Cooling 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. ...

If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer, using the other keys and the key number stamped on your key number plate. If communication between the electronic key and vehicle is inter- ...