2017 MAZDA MODEL MX-5 Head
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4–102
When Driving
i-ACTIVSENSE
*Some models.
Adaptive Front Lighting System (AFS) *
The adaptive front lighting system (AFS) automatically adjusts the headlight beams to the
left or right in conjunction with the operation of the steering wheel after the headlights have
been turned on.
A system malfunction or operation conditions are indicated by a warning.
Refer to Warning/Indicator Lights on page 4-42 .
NOTE
Headlights do not blind drivers approaching in the opposite direction no matter
what side of the road you must drive your vehicle (left-hand or right-hand traf ¿ c).
Therefore, it is not necessary to adjust the optical axis of the headlights when
switching temporarily to driving on the opposite side of the road (left-hand or right-
hand traf ¿ c).
The Adaptive Front Lighting System (AFS) function can be switched to operable/
inoperable using the personalisation function.
Refer to Personalisation Features on page 9-10 .
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Page 245 of 609
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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 4-42 .
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).
Forward Sensing
Camera (FSC) The recognition distance of the
Forward Sensing Camera (FSC)
varies according to the
surrounding conditions.
The warning light turns on when the system has a malfunction.
Refer to Warning Indication/Warning Lights on page 4-42 .
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 suf ¿ cient attention to safety. Switch the headlights between the
high beams and low beams manually if necessary.
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Page 246 of 609
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When Driving
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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 traf ¿ c
conditions.
When there are sources of light in the area such as street lamps, illuminated
signboards, and traf ¿ c signals.
When there are re À ective objects in the surrounding area such as re À ective 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 suf ¿ cient 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 tyres
onto your windscreen.
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Page 247 of 609
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When Driving
i-ACTIVSENSE
To Operate the System
The High Beam Control System (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 High Beam Control System (HBC)
determines that it is dark based on the
brightness of the surrounding area. At the
same time, the High Beam Control System
(HBC) indicator light (green) in the
instrument cluster illuminates.
NOTE
When the vehicle speed is about
30 km/h (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
High Beam Control System (HBC)
switches the headlights to low
beams.
The low beams may not switch to
high beams when cornering.
Operation of the High Beam Control
System (HBC) function can be
disabled. Refer to Personalisation
Features on page 9-10 .
Manual Switching
Switching to low beams
Shift the lever to the low beam position.
The High Beam Control System (HBC)
indicator light (green) turns off.
Switching to high beams
Turn the headlight switch to the
position.
The High Beam Control System (HBC)
indicator light (green) turns off and the
is illuminated.
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Page 250 of 609
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When Driving
i-ACTIVSENSE
NOTE
Under the following conditions, the LDWS may not be able to detect white or yellow
lines correctly and the LDWS may not operate correctly.
If an object placed on the instrument panel is re À ected in the windscreen and picked
up by the camera.
Heavy luggage is loaded in the luggage compartment the vehicle is inclined.
The tyre pressures are not adjusted to the speci ¿ ed pressure.
When the vehicle is driven on the entry and exit to or from the rest area or tollgate of
a highway.
The white or yellow lines are less visible because of dirt or paint À aking.
The vehicle ahead is running near a white or yellow line and the line is less visible.
A white or yellow line is less visible because of bad weather (rain, fog, or snow).
The vehicle is driven on a temporary lane or section with a closed lane due to
construction.
A misleading line is picked up on the road such as a temporary line for construction,
or because of shade, lingering snow, or grooves ¿ lled with water.
The surrounding brightness suddenly changes such as when entering or exiting a
tunnel.
The illumination of the headlights is weakened because of dirt or the optical axis is
deviated.
The windscreen is dirty or foggy.
Back-light is re À ecting from the road surface.
The road surface is wet and shiny after rain, or there are puddles on the road.
The shade of a guardrail parallel to a white or yellow line is on the road.
The width of a lane is excessively narrow or wide.
The road is excessively uneven.
The vehicle is shaken after hitting a road bump.
There are two or more adjacent white or yellow lines.
There are various road markings or lane markings of various shapes near an
intersection.
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Page 269 of 609
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When Driving
i-ACTIVSENSE
When a cruising speed has not been set (adjustable speed limiter main indicator light
(amber) turns on)
Press the OFF/CANCEL switch. The adjustable speed limiter screen is no longer displayed
and the adjustable speed limiter main indicator light (amber) turns off.
NOTE
When the MODE switch is pressed during adjustable speed limiter operation, the system
switches to the cruise control.
Setting the System
WARNING
Always verify the safety of the surrounding area when setting the adjustable speed
limiter:
If the speed is set lower than the current vehicle speed, the vehicle speed is decreased
to the set speed. Verify the safety of the surrounding area and keep a safer distance
between vehicles ahead and behind you.
1. Press the MODE switch to turn the system on.
2. Press the SET
to set the speed. When the current vehicle speed is 30 km/h (20 mph) or
more, the speed is set to the current vehicle speed. When the current vehicle speed is less
than 30 km/h (20 mph), the speed is set to 30 km/h (20 mph).
3. To increase the set speed, press the RESUME/
switch continuously. The set speed can
be adjusted in 10 km/h (5 mph) increments. The set speed can also be adjusted in about 1
km/h (1 mph) increments by pressing the RESUME/
switch momentary. For example,
the set speed increases about 4 km/h (4 mph) by pressing the RESUME/
switch 4
times.
4. To decrease the set speed, press the SET
switch continuously. The set speed can be
adjusted in 10 km/h (5 mph) decrements. The set speed can also be adjusted in about 1
km/h (1 mph) increments by pressing the SET
switch momentary. For example, the set
speed decreases about 4 km/h (4 mph) by pressing the SET
switch 4 times.
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When Driving
i-ACTIVSENSE
*Some models.
Forward Sensing Camera (FSC) *
Your vehicle is equipped with a Forward Sensing Camera (FSC). The Forward Sensing
Camera (FSC) is positioned near the rearview mirror and used by the following systems.
High Beam Control System (HBC)
Lane Departure Warning System (LDWS)
Forward Sensing Camera (FSC)
The Forward Sensing Camera (FSC) determines the conditions ahead of the vehicle while
travelling at night and detects traf ¿ c lanes. The distance in which the Forward Sensing
Camera (FSC) can detect objects varies depending on the surrounding conditions.
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When Driving
i-ACTIVSENSE
NOTE
In the following cases, the Forward Sensing Camera (FSC) cannot detect target objects
correctly, and each system may be unable to operate normally.
The height of the vehicle ahead is low.
You drive your vehicle at the same speed as the vehicle ahead.
Headlights are not turned on during the night or when going through a tunnel.
In the following cases, the Forward Sensing Camera (FSC) may not be able to detect
target objects correctly.
When driving next to walls with no patterning (including fences and longitudinally
striped walls).
The tail lights of the vehicle ahead are turned off.
A vehicle is outside the illumination range of the headlights.
The vehicle is making a sharp turn, or ascending or descending a steep slope.
Entering or exiting a tunnel.
Heavy luggage is loaded causing the vehicle to tilt.
Strong light is shone at the front of the vehicle (back light or high-beam light from
on-coming vehicles).
There are many light emitters on the vehicle ahead.
When the vehicle ahead is not equipped with tail lights or the tail lights are turned
off at nighttime.
The vehicle ahead has a special shape. For example, a vehicle towing a trailer house
or a boat, or a vehicle carrier carrying a vehicle with its front pointed rearward.
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