2012 Toyota Avalon Owners Manual - Page 217

3 -1 . U sing t he a ir c ondit ioning syst e m a nd de fogge r Rear w indow 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. Press the button to turn on the rear window and outside rear view mirror defoggers. The defoggers will automatically turn off after approximately 15 minutes. Pressing the button again also turns the defoggers off. The operation time changes according to the ambient temperature and vehicle speed. 3 Interior features 237