Toyota 2012 Prius C Owner's Manual page 221

2-3. Operating the lights and wipers
Headlight switch
The headlights can be operated manually.
Turning the end of the lever turns on the lights as follows:
Type A
202
The daytime running
lights turn on.
The side marker,
parking, tail, license
plate, daytime run-
ning lights and instru-
ment panel lights turn
on.
The headlights and
all lights listed above
(except daytime run-
ning lights) turn on.
The daytime running
lights turn off.