Mazda 2: Lane Departure Warning System (LDWS)
Mazda2 Owners Manual
The LDWS system notifi es the driver that the vehicle may be deviating from
its lane.
The system detects the white or yellow lines on the traffi c lane using the
forward sensing
camera and if it determines that the vehicle may be deviating from its lane, it
notifi es the
driver using the active driving display (vehicles with active driving display),
and by fl ashing
the LDWS warning light and activating the LDWS warning beep.
Use the LDWS when you drive the vehicle on roads with white or yellow lines.
Refer to Forward Sensing Camera on page 4-129 .
Use the LDWS when you drive the vehicle on roads with white or yellow lines.
The warning light illuminates when the system has a malfunction.
Refer to Warning Lights on page 4-38 .
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).
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 manoeuvres. Always pay attention to the direction in which the vehicle
is
travelling 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 traffi c lane, the LDWS operates
(warning sound and
indicator light). Steer the vehicle adequately to drive the vehicle to the
centre of the
lane.
- When the direction indicator lever is operated for a lane change, the
LDWS warning
is automatically cancelled. The LDWS warning becomes operable when the
direction
indicator 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 cancelled.
- 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 traffi c
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 instrument panel is refl ected in the
windscreen and picked
up by the camera.
- Heavy luggage is loaded in the luggage compartment or on the rear
seat and the
vehicle is inclined.
- The tyre pressures are not adjusted to the specifi 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
fl 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 fi 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 refl 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.
When The System Operates
- The system goes on operation standby
when the LDWS switch is pressed
and the LDWS OFF indicator light
in the instrument cluster turns off.
For vehicles equipped with the active
driving display, the driving lane (border
lines) is indicated in the display.
- Drive the vehicle in the centre 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 centre
of the driving lane with the white or
yellow lines on the left and right sides,
or on either side.
- The vehicle speed is 70 km/h (44 mph)
or faster.
- The vehicle is driven on a straight road
or road with gentle curves.
For vehicles equipped with the active
driving display, the driving lane is
indicated in the display.
Indication on display
The LDWS does not operate in the
following cases:
- The system cannot detect white or
yellow lines.
- The vehicle speed is less than 65 km/h
(40 mph).
- The vehicle is making a sharp curve.
- 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 Personalisation Features on
page 9-13 .
Auto cancel
In the following cases, the LDWS cancels
automatically and the LDWS warning
light in the instrument cluster turns on.
For vehicles equipped with the active
driving display, the lane (border lines) is
indicated in the display. The LDWS is
enabled automatically when the operation
conditions are met, and the LDWS
warning light turns off.
- The temperature inside the camera is
high or low.
- The windscreen around the camera is
foggy.
- The windscreen around the camera is
blocked by an obstruction, causing poor
forward visibility.
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 cancelled
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 direction indicator lever is operated
(after the direction indicator 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 60 seconds have elapsed
with the direction indicator lever left
operating, the LDWS warning may
operate if the vehicle is close to a white
or yellow line.
Cancelling The System
Press the LDWS switch to cancel the
LDWS. The LDWS OFF indicator light
turns on.
For vehicles with the active driving
display, the driving lane indication in the
active driving display is not indicated
when the LDWS is cancelled.
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 fl ashes. Operate the steering
wheel appropriately and steer the vehicle
to the centre of the lane.
For vehicles equipped with the active
driving display, if there is the possibility of
a lane departure, the system indicates the
direction it determines that the vehicle is
deviating in the active driving display.
Indication on display
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 diffi cult to hear the LDWS
warning beep depending on the
surrounding conditions such as
outside noise.
- The type of warning sound and the
volume can be changed.
Refer to Personalisation Features on
page 9-13 .
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