Toyota 2012 Prius C Owner's Manual page 28

Lights & turn signals
Headlights
High beam
Daytime Running Light system (DRL) Automatically turns on the headlights at a
reduced intensity.
Front fog lights (if equipped)
Front fog lights come on only when the headlights are on low beam.
Turn signals
Headlights
Parking lights
DRL
OFF
Low beam
Right turn
Lane change
Lane change
Left turn
High beam flasher
Turn
15