Toyota Prius+ - Headlight Control Sensor; Automatic Light off System

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2-3. Operating the lights and windshield wipers
PRIUS +_OM_OM47821E_(EE)
 Headlight control sensor (if equipped)
 Automatic light off system
 When the light switch is in the
, , or position: The
headlights turn off automatically if the “POWER” switch is turned to
ACCESSORY mode or OFF.
 When the light switch is in the AUTO position: The headlights and all
lights turn off automatically if the “POWER” switch is turned to ACCES-
SORY mode or OFF and the driver’s door is opened.
To turn the lights on again, turn the “POWER” switch to ON mode, or turn the
light switch off once and then back to the
, , or posi-
tion.
The sensor may not function properly if
an object is placed on the sensor, or any-
thing that blocks the sensor is affixed to
the windshield.
Doing so interferes with the sensor
detecting the level of ambient light and
may cause the automatic headlight sys-
tem to malfunction.
Air conditioning operation may also be
interrupted.