Get When Driving -> Lane Departure Warning System (LDWS)* Guide for Mazda Mx-5 SUV Fourth Generation (2016-2026)

When Driving

i-ACTIVSENSE

Lane Departure Warning System (LDWS)^*

The LDWS notifies the driver that the vehicle may be deviating from its lane.

The system detects the white or yellow lines on the traffic lane using the Forward Sensing

Camera (FSC) and if it determines that the vehicle may be deviating from its lane, it notifies

the driver by flashing 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 4-105.

Forward Sensing Camera

(FSC)

The warning light illuminates when the system has a malfunction.

Refer to Warning Indication/Warning Lights on page 4-27.

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.

Driving on roads with tight curves.

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

*Some models.

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When Driving

i-ACTIVSENSE

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.

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.

NOTE



If your vehicle deviates from its traffic lane, the LDWS operates (warning sound and

indicator light). Steer the vehicle adequately to drive the vehicle to the center of the lane.

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.

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.

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.

The LDWS does not operate if it does not detect the white or yellow lines of the traffic



lane.



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 dashboard is reflected in the windshield and picked up by the

camera.



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

The tire pressures are not adjusted to the specified 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 flaking.

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.

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When Driving

i-ACTIVSENSE



A misleading line is picked up on the road such as a temporary line for construction, or

because of shade, lingering snow, or grooves filled 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 windshield is dirty or foggy.

Back-light is reflecting 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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When Driving

i-ACTIVSENSE

The LDWS does not operate in the

following cases:

When the System Operates

▼

1. The system goes on operation standby

when the LDWS OFF switch is



The system cannot detect white or

yellow lines.

The vehicle speed is less than about

pressed and the LDWS OFF indicator

light in the instrument cluster turns off.



65 km/h (40 mph).

The vehicle is making a sharp turn.

The vehicle is making a curve at an



inadequate speed.

NOTE



The LDWS does not operate until the

system detects a white or yellow line on

either the left or right.



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.

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.

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.



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.



The vehicle speed is about 70 km/h

(44 mph) or faster.

The vehicle is driven on a straight



road or road with gentle curves.

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When Driving

i-ACTIVSENSE

Auto cancel

Canceling the System

▼

In the following cases, the LDWS cancels

automatically and the LDWS warning

light in the instrument cluster turns on.

Press the LDWS OFF switch to cancel the

LDWS. The LDWS OFF indicator light

turns on.



The temperature inside the camera is

high or low.

The windshield around the camera is



foggy.



The windshield around the camera is

blocked by an obstruction, causing poor

forward visibility.

Vehicle lane display (vehicles with

multi-information display)

The LDWS is enabled automatically when

the operation conditions are met, and the

LDWS warning light turns off.

The vehicle lane lines are no longer

indicated in the multi-information display

when the LDWS is canceled.

Auto cancel warning

NOTE

When the ignition is switched OFF, the

system status before it was turned off is

maintained. For example, if the ignition is

switched OFF with the LDWS operable,

the system will be operable when the

ignition is switched ON the next time.

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.



The steering wheel is operated abruptly.

The brake pedal is depressed abruptly.

The accelerator pedal is depressed



abruptly.



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).

NOTE

After about 30 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.

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When Driving

i-ACTIVSENSE

LDWS Warning

1 A rumble strip is a series of grooves in

the road pavement surface positioned

at specific 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.

▼

If the system determines that there is the

possibility of a lane departure, the LDWS

warning beep activates and the LDWS

warning light flashes. Operate the steering

wheel appropriately and steer the vehicle

to the center of the lane.

The rumble sound is a reproduction of

the sound which occurs when a vehicle

passes over a rumble strip.

For vehicles equipped with the

multi-information 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 flashes.

Indication on display

Rumble

Groove

NOTE



If the LDWS warning sound is set to

rumble , the sound will be heard from

the vehicle speaker on the side which the

system determined the vehicle may be

deviating from its lane.



It may be difficult to hear the LDWS

warning beep depending on the

surrounding conditions such as outside

noise.



The volume of the LDWS warning sound

can be changed.

Refer to Personalization Features on

page 9-9.



The type of warning sound (rumble /

beep) on the LDWS can be changed.

Refer to Personalization Features on

page 9-9.

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When Driving -> Lane Departure Warning System (LDWS)* for Your Mazda Mx-5 SUV Fourth Generation (2016-2026)

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