The Interior Lights And Personal Lights Can Be Operated When; Battery Protection Function; Illuminated Entry System - Lexus 2016 IS 200t Service Manual

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6-2. Using the interior lights

The interior lights and personal lights can be operated when

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The interior lights and personal lights can be used regardless of the engine switch mode.
However, when the engine switch is turned off, they can be used only when the battery
protection function is not operating.

Battery protection function

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To prevent the battery from being discharged, approximately 20 minutes after the
engine switch is turned off, the power supplied to the interior lights, personal lights, and
other lights will be cut off automatically. (If the interior lights, etc. are left on when the
engine switch is turned off, they will be turned off automatically.)
To turn the interior lights, etc. back on, turn the engine switch to ACCESSORY or IGNI-
TION ON mode or operate the interior light switch until the interior lights turn on.
If any of the lights are illuminated automatically due to the illuminated entry system, the
battery protection function will be canceled.

Illuminated entry system

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The lights automatically turn on/off according to engine switch mode, the presence of the
electronic key, whether the doors are locked/unlocked, and whether the doors are
opened/closed.
Customization
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Setting (e.g. the time elapsed before lights turn off) can be changed.
(Customizable features: P. 552)
NOTICE
To prevent battery discharge, do not leave the lights on longer than necessary when the
engine is off.
IS350/300/200t_U (OM53D18U)