Mazda 3 manuals

Mazda 3 Owners Manual: Lane Departure Warning System (LDWS)

Mazda 3 Owners Manual / 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). If it determines that the vehicle may be deviating from its lane, it notifies the driver by flashing the LDWS indicator light (green) and operating the LDWS warning sound.

Refer to Forward Sensing Camera on .

Use the LDWS when you drive the vehicle on roads with white or yellow lines.

Mazda 3. Lane Departure Warning System (LDWS)


The warning light flashes when the system has a malfunction.

Refer to Warning Lights on .]

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 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

When the System Operates

  1. Press the LDWS switch. The LDWS goes on stand-by and the LDWS warning light (amber) illuminates.

    The lane indication (bordered line) is indicated in the active driving display (Type A instrument cluster *1 ) or the multi information display (Type B instrument cluster *1 ).

*1 To determine which instrument cluster is equipped on your Mazda, Refer to Meters and Gauges on .

Mazda 3. When the System Operates


Indication on display

Mazda 3. Indication on display


  1. Drive the vehicle near the center of the lane and the LDWS indicator light (green) illuminates in the instrument cluster when all of the following conditions are met.

*1 To determine which instrument cluster is equipped on your Mazda, Refer to Meters and Gauges on .

Indication on display

Mazda 3. Indication on display


NOTE

Auto cancel

Under the following conditions, the LDWS is automatically canceled and kept on stand-by, and the LDWS warning light (amber) in the instrument cluster illuminates.

The lane indication (bordered line) is indicated in the active driving display (Type A instrument cluster *1 ) or the multi information display (Type B instrument cluster *1 ).

The LDWS is automatically enabled when the condition changes and the system is operable.

*1 To determine which instrument cluster is equipped on your Mazda, Refer to Meters and Gauges on .

Auto cancel of warning

Under the following conditions, the LDWS determines that the driver is making lane changes and the warning is automatically canceled.

The LDWS is automatically enabled after the operation.

NOTE

Canceling the System

To cancel the LDWS, press the LDWS switch. The LDWS indicator light (Green/ Amber) in the instrument cluster turns off.

The lane indication displayed in the active driving display (Type A instrument cluster *1 ) or the multi information display (Type B instrument cluster *1 ) turns off.

*1 To determine which instrument cluster is equipped on your Mazda, Refer to Meters and Gauges on .

LDWS Warning

If the system determines that the vehicle may be deviating from its lane while the system is operating, the LDWS warning sounds and the LDWS indicator light (green) flashes.

Refer to Lane Departure Warning System (LDWS) Warning Sound on .

In the active driving display (Type A instrument cluster *1 ) or the multi information display (Type B instrument cluster *1 ), the direction in which the system determined that the vehicle may be deviating from its lane is indicated.

Operate the steering wheel adequately and drive in the center of the lane.

*1 To determine which instrument cluster is equipped on your Mazda, Refer to Meters and Gauges on .

Indication on display

Mazda 3. Indication on display


NOTE

*2 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.

The rumble sound is a reproduction of the sound which occurs when a vehicle passes over a rumble strip.


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