2010 Toyota Prius Owners Manual - Page 313

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 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 automatically turn off after approximately 15 minutes. Pressing the switch again also turns the rear window defogger off. 3 ITO31P121 Interior features 289