Toyota SIENNA 2022 Manual page 252

■ Headlight control sensor
The sensor may not function prop-
erly if an object is placed on the sen-
sor, or anything 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 head-
light system to malfunction.
■ Automatic light off system
● When the headlights are on: The
lights turn off 30 seconds after the
power switch is turned to ACC or
OFF and a door is opened and
closed. (The lights turn off imme-
diately if
pressed after all the doors are
closed.)
● When only the tail lights are on:
The tail lights turn off automati-
cally if the power switch is turned
to ACC or OFF and the driver's
door is opened.
Except for Canada: To turn the
lights on again, turn the power
switch to ON, or turn the light switch
off once and then back to
position.
For Canada: To turn the lights on
again, turn the power switch to ON,
or turn the light switch to
and then back to
tion.
■ Light reminder buzzer
A buzzer sounds when the power
switch is turned to ACC or OFF and
the driver's door is opened while the
lights are turned on.
4-3. Operating the lights and wipers
on the key is
or
once
or posi-
■ Windshield wiper linked head-
light illumination (if equipped)
When driving during daytime with
the headlight switch turned to
the windshield wipers are used, the
headlights will turn on automatically
after several seconds to help
enhance the visibility of your vehi-
cle.
■ 12-volt battery-saving function
In order to prevent the 12-volt bat-
tery of the vehicle from discharging,
if the headlights and/or tail lights are
on when the power switch is turned
to OFF, the battery saving function
will operate and automatically turn
off all the lights after approximately
20 minutes.
When any of the following are per-
formed, the battery-saving function
is canceled once and then reacti-
vated. All the lights will turn off auto-
matically 20 minutes after the
battery-saving function has been
reactivated:
● When the headlight switch is oper-
ated
● When a door is opened or closed
■ If "Headlight System Malfunc-
tion Visit Your Dealer" is dis-
played on the multi-information
display
The system may be malfunctioning.
Have the vehicle inspected by your
Toyota dealer.
■ Welcome light illumination con-
trol
The parking lights and tail lights
automatically turn on at night when
the doors are unlocked using the
entry function or wireless remote
control if the light switch is in the
position.
■ Customization
Settings (e.g. light sensor sensitiv-
ity) can be changed.
(Customizable features: P.546)
251
, if
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