High Beam Control System(HBC)*; When Driving; High Beam Control System (HBC)- Page 237

4–89

When Driving

i-ACTIVSENSE

*Some models.

High Beam Control System (HBC)

*

The High Beam Control System (HBC) determines the conditions in front of the vehicle 

using the Forward Sensing Camera (FSC) while driving in darkness to automatically switch 

the headlights between high and low beams.

Refer to Warning/Indicator Lights on page 

4-32.

While driving the vehicle at a speed of about 30 km/h (19 mph), the headlights are switched 

to high beams when there are no vehicles ahead or approaching in the opposite direction. 

The system switches the headlights to low beams when one of the following occurs:



 The system detects a vehicle or the headlights/lights of a vehicle approaching in the 

opposite direction.



 The vehicle is driven on roads lined with streetlamps or on roads in well-lit cities and 

towns.



 The vehicle is driven at less than about 20 km/h (12 mph).

Forward Sensing 

Camera (FSC)

The recognition distance of the 
Forward Sensing Camera (FSC) 
varies according to the 
surrounding conditions.

The warning light flashes when the system has a malfunction.

Refer to Warning Indication/Warning Lights on page 

4-33.

CAUTION



  Do not adjust the vehicle height, modify the headlight units, or remove the camera, 

otherwise the system will not operate normally.



  Do not rely excessively on the High Beam Control System (HBC) and drive the vehicle while 

paying sufficient attention to safety. Switch the headlights between the high beams and 

low beams manually if necessary.

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