2016-2026 Mazda Mx-5 SUV When Driving -> High Beam Control System (HBC)* User Manual
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When Driving -> High Beam Control System (HBC)* for Your Mazda Mx-5 SUV Fourth Generation (2016-2026)

When Driving  
i-ACTIVSENSE  
High Beam Control System (HBC)*  
The 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 Forward Sensing Camera (FSC) on page 4-105.  
While driving the vehicle at a speed of about 30 km/h (19 mph) or more, 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).  
The recognition distance of the  
Forward Sensing Camera (FSC)  
varies according to the  
surrounding conditions.  
Forward Sensing  
Camera (FSC)  
The warning light turns on when the system has a malfunction.  
Refer to Contact Authorized Mazda Dealer and Have Vehicle Inspected on page 7-36.  
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 HBC and drive the vehicle while paying suꢀcient attention to  
safety. Switch the headlights between the high beams and low beams manually if  
necessary.  
*Some models.  
4-78  
When Driving  
i-ACTIVSENSE  
NOTE  
The timing in which the system switches the headlights changes under the following  
conditions. If the system does not switch the headlights appropriately, manually switch  
between high and low beams according to the visibility as well as road and traffic  
conditions.  
When there are sources of light in the area such as street lamps, illuminated signboards,  
and traffic signals.  
When there are reflective objects in the surrounding area such as reflective plates and  
signs.  
When visibility is reduced under rain, snow and foggy conditions.  
When driving on roads with sharp turn or hilly terrain.  
When the headlights/rear lamps of vehicles in front of you or in the opposite lane are dim  
or not illuminated.  
When there is sufficient darkness such as at dawn or dusk.  
When the luggage compartment is loaded with heavy objects.  
When visibility is reduced due to a vehicle in front of you spraying water from its tires  
onto your windshield.  
NOTE  
To Operate the System  
When the vehicle speed is about 30 km/h  
The HBC operates to switch the headlights  
automatically between high and low  
beams after the ignition is switched ON  
and the headlight switch is in the AUTO  
and high beam position.  
The HBC determines that it is dark based  
on the brightness of the surrounding area.  
At the same time, the HBC indicator light  
(green) in the instrument cluster  
illuminates.  
(19 mph) or more, the headlights  
automatically switch to high beams  
when there are no vehicles ahead or  
approaching in the opposite direction.  
When the vehicle speed is less than  
about 20 km/h (12 mph), the HBC  
switches the headlights to low beams.  
The low beams may not switch to high  
beams when cornering.  
Operation of the HBC function can be  
disabled. Refer to Personalization  
Features on page 9-9.  
4-79  
When Driving  
i-ACTIVSENSE  
Manual Switching  
Switching to low beams  
Shift the lever to the low beam position.  
The HBC indicator light (green) turns off.  
Switching to high beams  
Turn the headlight switch to the  
position.  
The HBC indicator light (green) turns off  
and the  
is illuminated.  
4-80  

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