Toyota Prius V 2012 Quick Reference Manual page 251

2-3. Operating the lights and windshield wipers
Type B
■
Fog lights can be used when
The headlights are on in low beam.
NOTICE
■
To prevent 12-volt battery discharge
Do not leave the lights on longer than necessary when the hybrid system is
off.
222
PRIUS v_U (OM47784U)
I n f o r ma t i o n P r o v i d e d b y :
Turns the fog lights
off
Turns the fog lights
on