Toyota 2015 Prius Owner's Manual page 194

High beam automatic turning on or off conditions
When all of the following conditions are fulfilled, high beam will be
automatically turned on (after approximately 1 second):
● Vehicle speed is above approximately 21 mph (34 km/h).
● The area ahead of the vehicle is dark.
● There are no oncoming or preceding vehicles with headlights or tail
lights turned on.
● There are few streetlights on the road ahead.
If any of the following conditions are fulfilled, high beam will be auto-
matically turned off:
● Vehicle speed drops below approximately 17 mph (27 km/h).
● The area ahead of the vehicle is not dark.
● Oncoming or preceding vehicles have headlights or tail lights
turned on.
● There are many streetlights on the road ahead.
PRIUS v_OM_OM47887U_(U)
4-3. Operating the lights and wipers
I n f o r ma t i o n P r o v i d e d b y :
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