TOYOTA 2010 Prius - Manual (Page 313)

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3-1. Using the air conditioning system and defogger
3
Inte
rior fe
atures
Rear window and outside rear view mirror defoggers
Clear the rear window using the defogger. (Turning the rear window
defogger on will turn the outside rear view mirror defoggers on. The
outside rear view mirror is used to remove raindrops, dew and frost
from the outside rear view mirrors.) (vehicles with mirror defoggers)
The defoggers will automati-
cally turn off after approxi-
mately 15 minutes. Pressing
the switch again also turns the
rear window defogger off.
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