Lexus LS600h - Rear Window and Outside Rear View Mirror Defoggers

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5-3. Using the air conditioning system and defogger
LS600h/LS600hL_EE(OM50D61E)
On/off
The defoggers will automatically
turn off after approximately 15
minutes.
 Operating conditions
The power switch must be in the ON mode.
Rear window and outside rear view mirror
defoggers
These features are used to defog the rear window, and to remove
raindrops, dew and frost from the outside rear view mirrors.
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.
NOTICE
 To prevent 12-volt battery discharge
Turn the defoggers off when the hybrid system is off.