2011 Toyota Land Cruiser Owners Manual - Page 887

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. With navigation system On/off The operation time changes according to the ambient temperature and vehicle speed. Pressing the switch again also turns the defoggers off. Without navigation system