Automatic Light Off System; Automatic Headlight Leveling System; Light Reminder Buzzer; 12-Volt Battery-Saving Function - Toyota Mirai 2017 Owner's Manual

Automatic light off system

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When the headlights are on: The headlights and tail lights turn off 30 sec-
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onds after a door is opened and closed if the power switch is turned to
ACCESSORY mode or turned off. (The lights turn off immediately if
on the key is pressed after all the doors are locked.)
When only the tail lights are on: The tail lights turn off automatically if the
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power switch is turned to ACCESSORY mode or turned 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
If any of the doors or trunk lid is kept open, the lights automatically turn off
after 20 minutes.

Automatic headlight leveling system

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The level of the headlights is automatically adjusted according to the number
of passengers and the loading condition of the vehicle to ensure that the
headlights do not interfere with other road users.

Light reminder buzzer

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A buzzer sounds when the power switch is turned off or turned to ACCES-
SORY mode and the driver's door is opened while the lights are turned on.

12-volt battery-saving function

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In order to prevent the 12-volt battery of the vehicle from discharging, if the
headlights and/or tail lights are on when the power switch is turned off the
12-volt battery saving function will operate and automatically turn off all the
lights after approximately 20 minutes. When the power switch is turned to ON
mode, the 12-volt battery-saving function will be disabled.
When any of the following are performed, the 12-volt battery-saving function
is canceled once and then reactivated. All the lights will turn off automatically
20 minutes after the 12-volt battery-saving function has been reactivated:
When the headlight switch is operated
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When a door is opened or closed
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Customization
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Settings (e.g. light sensor sensitivity) can be changed.
(Customizable features: →P. 438)
NOTICE
To prevent 12-volt battery discharge
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Do not leave the lights on longer than necessary when the fuel cell system
is off.
5-3. Operating the lights and wipers
or .
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