Rear window and outside rear view mirror defoggers
These features are used to defog the rear window, and to remove rain- drops, dew and frost from the outside rear view mirrors.

On/off
The operation time changes according to the ambient temperature and vehicle speed. Pressing the button again also turns the defoggers off.
- The rear window and outside rear view mirror defoggers can be operated
when
The “ENGINE START STOP” switch is in IGNITION ON mode.
CAUTION
- When the outside rear view mirror defoggers are on
Do not touch the rear view mirror surfaces, as they can become very hot and
burn you.
See also:
Horn
To sound the horn, press on or close to the
mark.
...
Maintenance
You are responsible for performance
of the required maintenance indicated
in the Owner’s Manual and this guide.
Lexus will not deny a warranty claim
solely because you do not have
records to ...
