Lexus IS250 2006 Owner's Manual page 138

2-3. Operating the lights and windshield wipers
Automatic light off system
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When the headlights comes on: The headlights and tail lights turn off 30 sec-
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onds after a door is opened and closed if the engine switch has been switched
to ACC or turned OFF. (The light turns off immediately if the
the key is pressed after all doors are locked.)
When only the tail lights come on: The tail lights turn off automatically if the
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engine switch is switched to ACC or turned OFF and driver' s door is opened.
To turn the lights on again, switch to IG-ON mode, or turn the light switch OFF
once and then back to the
Automatic headlight leveling system (vehicles with discharge headlights)
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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.
If the indicator flashes... (vehicles with discharge headlights)
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It may indicate a malfunction in the system. Contact your Lexus dealer.
Customization
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Settings (e.g. light sensor sensitivity) can be changed. (P. 400)
NOTICE
To prevent battery discharge
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Do not leave the lights on longer than necessary when the engine is not running.
120
or position.
button on