2008 Toyota Avalon Owners Manual - Page 171

2 -3 . Ope ra t ing t he light s a nd w indshie ld w ipe rs Fog light sw it ch (if e quippe d) The fog lights improve visibility in difficult driving conditions, such as in rain or fog. They can be turned on only when the headlights are on low beam. OFF ON 2 When driving 145