Toyota Sienna 2010 Owner's Manual page 186

2-3. Operating the lights and wipers
Daytime running light system (if equipped)
■
To make your vehicle more visible to other drivers, the headlights turn on
automatically (at a reduced intensity) whenever the engine is started and the
parking brake is released. Daytime running lights are not designed for use at
night.
Headlight control sensor (if equipped)
■
Automatic light off system
■
When the light switch is in the
●
lights on: The tail lights turn off after driver's door is opened if the engine
switch has been turned to the "ACC" or "LOCK" position.
When the light switch is in the
●
lights on: The headlights and all lights turn off 30 seconds after all the
side doors and back door are closed if the engine switch has been turned
to the "ACC" or "LOCK" position. (The lights turn off immediately if the
on the wireless remote control is pressed after all doors are
locked.)
To turn the lights on again, turn the engine switch to the "ON" position, or
turn the light switch off once and then back to the
Customization that can be configured at Toyota dealer
■
Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features →P. 565)
188
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.
or
or
position with the tail
position with the head-
or position.