Toyota 2012 Sienna Owner's Manual page 390

3-1. Using the air conditioning system and defogger
Rear window and outside rear view mirror defoggers, and windshield wiper de-icer
The rear window defogger is used to defog the rear window. The out-
side rear view mirror defoggers
raindrops from the outside rear view mirrors. The windshield wiper
* 2
de-icer is used to prevent ice from building up on the windshield
and wiper blades.
Vehicles with manual air conditioning system
Vehicles with automatic air conditioning system
1
*
: Vehicles with outside rear view mirror defoggers
2
*
: Vehicles with windshield wiper de-icer
SIENNA_U (OM45477U)
* 1
are used to remove frost, dew or
Turns the rear window and
outside rear view mirror defog-
gers and windshield de-icer
on/off.
The defoggers and de-icer will
automatically turn off after
approximately 15 minutes.
If outside temperature is below
32°F (0°C), this will extend by
45 minutes.
3
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