Toyota Prius C 2011 Owner's Manual page 184

Manual headlight leveling dial (vehicles with halogen headlights)
The level of the headlights can be adjusted according to the number
of passengers and the loading condition of the vehicle.
■
Guide to dial settings
Occupancy and luggage load conditions
Occupants
Driver
Driver and front pas-
senger
All seats occupied
All seats occupied
Driver
Raises the level of the head-
lights
Lowers the level of the head-
lights
Luggage load
None
None
None
Full luggage loading
Full luggage loading
2-3. Operating the lights and wipers
Dial position
0
0
2
2.5
4.5
2
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