Lexus LX 570 2009 Manual page 190

2-3. Operating the lights and wipers
Automatic light off system
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When the headlights are on: The headlights and tail lights turn off 30 seconds
●
after a door is opened and closed if the "ENGINE START STOP" switch has
been switched to ACCESSORY or OFF mode.
When only the tail lights are on: The tail lights turn off automatically if the
●
"ENGINE START STOP" switch is switched to ACCESSORY or OFF mode
and driver' s door is opened.
To turn the lights on again, turn the "ENGINE START STOP" switch to IGNITION
ON mode, or turn the light switch off once and then back to the
or position.
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.
If the "AFS OFF" indicator flashes
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It may indicate a malfunction in the system. Contact your Lexus dealer.
Customization that can be configured at Lexus dealer
■
Settings of the light sensor sensitivity can be changed. 
(Customizable features P. 716)
NOTICE
To prevent battery discharge
■
Do not leave the lights on longer than necessary when the engine is not running.
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