2010 Toyota Prius Owners Manual - Page 235

2 -3 . Ope ra t ing t he light s a nd w indshie ld w ipe rs Fog light sw it ch ∗ The fog lights improve visibility in difficult driving conditions, such as in rain or fog. The fog lights can be used when the headlights are on low beam. Off On 2 When driving ITO23P109 ∗: If equipped 209