Lexus 2012 RX450h Owner's Manual page 431

Operating conditions
■
RX350
The "ENGINE START STOP" switch is in IGNITION ON mode.
RX450h
The "POWER" switch is in ON mode.
The outside rear view mirror defoggers
■
Turning the rear window defogger on will turn the outside rear view mirror defog-
gers on.
CAUTION
When the outside rear view mirror defoggers are on
■
Do not touch the outside surface of the rear view mirrors, as they can become very
hot and burn you.
3-2. Using the air conditioning system and defogger
3
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