Windshield Wiper Linked Headlight Illumination; 12-Volt Battery-Saving Function - Lexus RX 450H Owner's Manual

Windshield wiper linked headlight illumination

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When driving during daytime with the headlight switch turned to
wipers are used, the headlights will turn on automatically after several seconds to help
enhance the visibility of your vehicle.

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 min-
utes. 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
●
When a door is opened or closed
●
Customization
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Some functions can be customized. (→P. 607)
NOTICE
To prevent 12-volt battery discharge
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Do not leave the lights on longer than necessary when the hybrid system is off.
RX450h_U_OM0E023U
4-3. Operating the lights and wipers
257
, if the windshield
4