2017 MAZDA MODEL MX-5 Owners Manual (in English)

4–79
When Driving
i-ACTIVSENSE
*Some models.
Lane Departure Warning System (LDWS) *
The LDWS system noti¿ es the driver that the vehicle may be deviating from its lane.
The system detects the white or yellow lines on the traf¿ c lane using the Forward Sensing
Camera (FSC) and if it determines that the vehicle may be deviating from its lane, it noti¿ es
the driver by À ashing the LDWS warning light and activating the LDWS warning beep, and
by the multi-information display (vehicles with multi-information display).
Use the LDWS when you drive the vehicle on roads with white or yellow lines.
Refer to Forward Sensing Camera on page 4-95 .


Forward Sensing Camera
(FSC)

The warning light illuminates when the system has a malfunction.
Refer to Warning Indication/Warning Lights on page 4-26 .
WARNING
Do not use the LDWS under the following conditions:
The system may not operate adequately according to the actual driving conditions,
resulting in an accident.
 


¾ Driving on roads with tight curves.



¾ Driving under bad weather conditions (rain, fog, and snow).

The functions of the LDWS have limitations:
Always stay on course using the steering wheel and drive with care. The system is not
designed to compensate for a driver’s lack of caution and if you rely too much on the
LDWS it could lead to an accident. The driver is responsible for assuring lane changes and
other maneuvers. Always pay attention to the direction in which the vehicle is traveling
and the vehicle’s surroundings.

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4–80
When Driving
i-ACTIVSENSE
CAUTION
Do not modify the suspension. If the vehicle height or the damping force of the
suspensions is changed, the LDWS may not operate correctly.

N O T E
 


y If your vehicle deviates from its traf¿ c lane, the LDWS operates (warning sound and
indicator light). Steer the vehicle adequately to drive the vehicle to the center of the lane.
 


y When the turn signal lever is operated for a lane change, the LDWS warning is
automatically canceled. The LDWS warning becomes operable when the turn signal lever
is returned and the system detects the white or yellow lines.
 


y If the steering wheel, accelerator pedal, or brake pedal is operated abruptly and the
vehicle moves close to a white or yellow line, the system determines that the driver is
making a lane change and the LDWS warning is automatically canceled.
 


y The LDWS may not operate during the period immediately after the vehicle has deviated
from its lane and the LDWS has operated, or the vehicle deviates from its lane repeatedly
within a short period of time.
 


y The LDWS does not operate if it does not detect the white or yellow lines of the traf¿ c
lane.
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4–81
When Driving
i-ACTIVSENSE
 


y Under the following conditions, the LDWS may not be able to detect white or yellow lines
correctly and the LDWS may not operate correctly.
 


y If an object placed on the dashboard is reÀ ected in the windshield and picked up by the
camera.
 


y Heavy luggage is loaded in the luggage compartment the vehicle is inclined.



y The tire pressures are not adjusted to the speci¿ ed pressure.



y When the vehicle is driven on the entry and exit to or from the rest area or tollgate of a
highway.
 


y The white or yellow lines are less visible because of dirt or paint À aking.



y The vehicle ahead is running near a white or yellow line and the line is less visible.



y A white or yellow line is less visible because of bad weather (rain, fog, or snow).



y The vehicle is driven on a temporary lane or section with a closed lane due to
construction.
 


y 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.




y The surrounding brightness suddenly changes such as when entering or exiting a
tunnel.
 


y The illumination of the headlights is weakened because of dirt or the optical axis is
deviated.
 


y The windshield is dirty or foggy.



y Back-light is reÀ ecting from the road surface.



y The road surface is wet and shiny after rain, or there are puddles on the road.



y The shade of a guardrail parallel to a white or yellow line is on the road.



y The width of a lane is excessively narrow or wide.



y The road is excessively uneven.



y The vehicle is shaken after hitting a road bump.



y There are two or more adjacent white or yellow lines.



y There are various road markings or lane markings of various shapes near an
intersection.


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4–82
When Driving
i-ACTIVSENSE
When the System Operates
1. The system goes on operation standby
when the LDWS switch is pressed and
the LDWS OFF indicator light in the
instrument cluster turns off.


2. Drive the vehicle in the center of the
driving lane while the LDWS OFF
indicator light is turned off. The system
becomes operational when all of the
following conditions are met.
 

y
 The vehicle is driven in the center
of the driving lane with the white or
yellow lines on the left and right sides,
or on either side.
 

y
 The vehicle speed is 65 km/h (41 mph)
or faster.
 

y
 The vehicle is driven on a straight road
or road with gentle curves.

The LDWS does not operate in the
following cases:
 

y
 The system cannot detect white or
yellow lines.
 

y
 The vehicle speed is less than 60 km/h
(37 mph).
 

y
 The vehicle is making a sharp turn.


y
 The vehicle is making a curve at an
inadequate speed.

N O T E
 


y The LDWS does not operate until the
system detects a white or yellow line on
either the left or right.
 


y When the system detects a white or
yellow line on one side only, the system
will activate the warning only when the
vehicle deviates on the side where the
white or yellow line is being detected.
 


y The distance and warning sensitivity
(likelihood of a warning) which the
system uses to determine the possibility
of a lane departure can be changed.
  Refer to Personalization Features on
page 9-9 .

Auto cancel
In the following cases, the LDWS cancels
automatically and the LDWS warning
light in the instrument cluster turns on.
 


y The temperature inside the camera is
high or low.
 


y The windshield around the camera is
foggy.
 


y The windshield around the camera is
blocked by an obstruction, causing poor
forward visibility.

The LDWS is enabled automatically when
the operation conditions are met, and the
LDWS warning light turns off.
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4–83
When Driving
i-ACTIVSENSE
Auto cancel warning
When the following operations are
performed, the LDWS determines that
the driver intends to make a lane change
and the LDWS warning is canceled
automatically. The LDWS is enabled
automatically after the driver performs the
operation.
 


y The steering wheel is operated abruptly.



y The brake pedal is depressed abruptly.



y The accelerator pedal is depressed
abruptly.
 


y The turn signal lever is operated (after
the turn signal lever is returned, the
LDWS may not operate for about 3
seconds which is the period of time
required to make a lane correction).

N O T E
After about 60 seconds have elapsed with
the turn signal lever left operating, the
LDWS warning may operate if the vehicle
is close to a white or yellow line.

Canceling the System
Press the LDWS OFF switch to cancel the
LDWS. The LDWS OFF indicator light
turns on.


Vehicle lane display (vehicles with
multi-information display)
The vehicle lane lines are no longer
indicated in the multi-information display
when the LDWS is canceled.
N O T E
When the ignition is switched OFF, the
LDWS becomes operational the next time
the ignition switched ON.

LDWS Warning
If the system determines that there is the
possibility of a lane departure, the LDWS
warning beep activates and the LDWS
warning light À ashes. Operate the steering
wheel appropriately and steer the vehicle
to the center of the lane.
For vehicles equipped with the multi-
information display and the active driving
display, the color of the lane line in the
direction which the system determined
that the vehicle may be deviating from its
lane changes from white to amber and the
vehicle lane line À ashes.
Indication on display



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4–84
When Driving
i-ACTIVSENSE
N OTE


y If the LDWS warning sound is set to
rumble *1 , the sound will be heard from
the vehicle speaker on the side which
the system determined the vehicle may
be deviating from its lane.
 


y It may be dif¿ cult to hear the LDWS
warning beep depending on the
surrounding conditions such as outside
noise.
 


y The volume of the LDWS warning sound
can be changed.
  Refer to Personalization Features on
page 9-9 .
 


y The type of warning sound (rumble *1 /
beep) on the LDWS can be changed.
  Refer to Personalization Features on
page 9-9 .

*1 A rumble strip is a series of grooves in
the road pavement surface positioned at
speci¿ c intervals, and when the vehicle
passes over it a vibration and rumble
sound is produced which alerts the
driver that the vehicle is departing from
the lane.
The rumble sound is a reproduction of
the sound which occurs when a vehicle
passes over a rumble strip.
 

Rumble
Groove

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4–85
When Driving
i-ACTIVSENSE
*Some models.
Blind Spot Monitoring (BSM) System *
The Blind Spot Monitoring (BSM) is designed to assist the driver in checking the area to the
rear of the vehicle on both sides during lane changes by alerting the driver to the presence of
vehicles approaching from the rear in an adjacent lane.
The Blind Spot Monitoring (BSM) detects vehicles approaching from the rear while
traveling in the forward direction at a speed of 10 km/h (6.3 mph) or faster and turns on the
Blind Spot Monitoring (BSM) warning lights equipped on the door mirrors depending on
the conditions. If the turn signal lever is operated to signal a lane change in the direction
in which the Blind Spot Monitoring (BSM) warning light is illuminated, the system warns
the driver of a vehicle in the detection area by À ashing the Blind Spot Monitoring (BSM)
warning light and activating a beep sound.
The detection area on this system covers the driving lanes on both sides of the vehicle and
from the rear part of the doors to about 50 m (164 ft) behind the vehicle.

Detection areas Your vehicle

WARNING
Always check the surrounding area visually before making an actual lane change:
The system is only designed to assist you in checking for vehicles at your rear when
making a lane change. Due to certain limitations with the operation of this system, the
Blind Spot Monitoring (BSM) warning light may not fl ash or it might be delayed even
though a vehicle is in an adjacent driving lane. Always make it your responsibility as a
driver to check the rear.

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4–86
When Driving
i-ACTIVSENSE
N O T E
 


y The Blind Spot Monitoring (BSM) will operate when all of the following conditions are
met:
 


y The ignition is switched ON.



y The Blind Spot Monitoring (BSM) switch is pressed and the Blind Spot Monitoring
(BSM) OFF indicator light in the instrument cluster is turned off.
 


y The vehicle speed is about 10 km/h (6.3 mph) or faster. 



y The Blind Spot Monitoring (BSM) will not operate under the following circumstances. 



y The vehicle speed falls below about 10 km/h (6.3 mph) even though the Blind Spot
Monitoring (BSM) OFF indicator light is turned off.
 


y The shift lever (manual transmission)/selector lever (automatic transmission) is shifted
to reverse (R) and the vehicle is reversing.
 


y In the following cases, the Blind Spot Monitoring (BSM) OFF indicator light turns on and
operation of the system is stopped. If the Blind Spot Monitoring (BSM) OFF indicator
light remains illuminated, have the vehicle inspected at an Authorized Mazda Dealer as
soon as possible.
 


y Some problem with the system including the Blind Spot Monitoring (BSM) warning
lights is detected.
 


y A large deviation in the installation position of a radar sensor (rear) on the vehicle has
occurred.
 


y There is a large accumulation of snow or ice on the rear bumper near a radar sensor
(rear). Remove any snow, ice or mud on the rear bumper.
 


y Driving on snow-covered roads for long periods.



y The temperature near the radar sensors (rear) becomes extremely hot due to driving
for long periods on slopes during the summer.
 


y The battery voltage has decreased. 



y Under the following conditions, the radar sensors (rear) cannot detect target objects or it
may be dif¿ cult to detect them.




y A vehicle is in the detection area at the rear in an adjacent driving lane but it does not
approach. The Blind Spot Monitoring (BSM) determines the condition based on radar
detection data.
 


y A vehicle is traveling alongside your vehicle at nearly the same speed for an extended
period of time.
 


y Vehicles approaching in the opposite direction.



y A vehicle in an adjacent driving lane is attempting to pass your vehicle.



y A vehicle is in an adjacent lane on a road with extremely wide driving lanes. The
detection area of the radar sensors (rear) is set at the road width of expressways.

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