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Home >> Toyota >> 2008 >> Sequoia Platinum, 4WD >> Repair and Diagnosis >> Electrical >> Body Electrical >> OEM System Circuits >> Automatic Light Control System and Light Auto Turn Off System >> System Outline

System Outline

Automatic Light Control Operation 

The automatic light control system works when the headlight dimmer switch assembly is turned to AUTO. The automatic light control sensor detects the brightness around the vehicle. By this function, the system automatically turns the taillight and headlight on if the brightness is below the regular level and turns the taillight and headlight off when the surroundings become brighter than the regular level.

Light Auto Turn Off Operation 

* If lights other than the headlights are lit and the headlight dimmer switch assembly is in the 'TAIL' or 'AUTO' position, the taillights and front fog lights will be turned OFF if the ignition switch is turned from ON to OFF, and the driver side door is opened.

* If the headlights are lit and the headlight dimmer switch assembly is in the 'HEAD' or 'AUTO' position, if the ignition switch is turned from ON to OFF, and the light OFF delay time (30 seconds) has passed since all the doors were closed or if all the doors have been locked, operating the wireless door lock function will turn OFF the headlights, taillights and front fog lights.