2013-2016 Mazda Cx-5 SUV i-ACTIVSENSE -> Lane Departure Warning System (LDWS) User Manual
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i-ACTIVSENSE -> Lane Departure Warning System (LDWS) for Your Mazda Cx-5 SUV First Generation (2013-2016)

When Driving  
i-ACTIVSENSE  
Lane Departure Warning System (LDWS)í  
The LDWS system 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 and if it determines that the vehicle may be deviating from its lane, it notifies the  
driver using the multi-information display (vehicles with type A instrument cluster), and by  
flashing the LDWS warning light (vehicles with type B instrument cluster) 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 (FSC) on page 4-134.  
Forward Sensing Camera (FSC)  
Vehicles with type A instrument cluster  
The LDWS OFF indication illuminates when the system has a malfunction.  
Vehicles with type B instrument cluster  
The LDWS warning light illuminates when the system has a malfunction.  
Refer to Warning/Indicator Lights on page 4-20.  
4-96  
íSome models.  
When Driving  
i-ACTIVSENSE  
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.  
Ø Driving on roads with tight curves.  
Ø 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.  
4-97  
When Driving  
i-ACTIVSENSE  
NOTE  
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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.  
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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.  
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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.  
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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.  
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The LDWS does not operate if it does not detect the white or yellow lines of the traffic lane.  
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Under the following conditions, the LDWS may not be able to detect white or yellow lines  
correctly and the LDWS may not operate correctly.  
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If an object placed on the dashboard is reflected in the windshield and picked up by the  
camera.  
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Heavy luggage is loaded in the luggage compartment or on the rear seat and the vehicle is  
inclined.  
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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  
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highway.  
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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).  
A misleading line is picked up on the road such as a temporary line for construction, or  
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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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4-98  
When Driving  
i-ACTIVSENSE  
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The vehicle speed is 65 km/h (41 mph)  
or faster.  
The vehicle is driven on a straight road  
or road with gentle curves.  
qWhen the System Operates  
1. The system goes on operation standby  
when the LDWS switch is pressed and  
the LDWS OFF indication/indicator  
light turns off.  
On the type A instrument cluster, the lane  
indication is indicated in the multi-  
information display.  
Indication on display  
On the type A instrument cluster, the lane  
indication (border line) is indicated in the  
multi-information display.  
The LDWS does not operate in the  
following cases:  
Indication on display  
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The system cannot detect white or  
yellow lines.  
The vehicle speed is less than 60 km/h  
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(37 mph).  
The vehicle is making a sharp curve.  
The vehicle is making a curve at an  
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inadequate speed.  
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.  
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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.  
4-99  
When Driving  
i-ACTIVSENSE  
NOTE  
Auto cancel warning  
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The LDWS does not operate until the  
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.  
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.  
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The steering wheel is operated  
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The distance and warning sensitivity  
abruptly.  
(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  
9-10.  
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The brake pedal is depressed abruptly.  
The accelerator pedal is depressed  
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abruptly.  
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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).  
Auto cancel  
In the following cases, the LDWS cancels  
automatically.  
NOTE  
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The temperature inside the camera is  
high or low.  
The windshield around the camera is  
foggy.  
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.  
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The windshield around the camera is  
blocked by an obstruction, causing  
poor forward visibility.  
qCanceling the System  
Press the LDWS switch to cancel the  
LDWS. The LDWS OFF indication/  
indicator light turns on.  
When the LDWS cancels automatically,  
the instrument cluster displays as follows.  
The lane indication displayed in the type  
A instrument cluster turns off.  
Vehicle with type A instrument cluster  
The lane indication (border line) is  
indicated in the display.  
The LDWS is enabled automatically when  
operation conditions are met, and the lane  
indication is indicated in the display.  
Vehicle with type B instrument cluster  
The LDWS warning light in the  
instrument cluster turns on.  
The LDWS warning light turns off when  
the LDWS is operable.  
4-100  
When Driving  
i-ACTIVSENSE  
NOTE  
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qLDWS Warning  
If the LDWS warning sound is set to  
If the system determines that there is the  
possibility of a lane departure, the LDWS  
warning beep activates and the LDWS  
warning light flashes. (vehicle with type B  
instrument cluster)  
Vehicles with type A instrument cluster, if  
there is the possibility of a lane departure,  
the system indicates the direction it  
determines that the vehicle is deviating in  
the multi-information display.  
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.  
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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.  
Operate the steering wheel appropriately  
and steer the vehicle to the center of the  
lane.  
Refer to Personalization Features on page  
9-10.  
The type of warning sound (rumble*1/beep)  
on the LDWS can be changed.  
Refer to Personalization Features on page  
9-10.  
Indication on display  
*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.  
The rumble sound is a reproduction of the  
sound which occurs when a vehicle passes  
over a rumble strip.  
Rumble  
Groove  
4-101  

Related Topics

i-ACTIVSENSE
i-ACTIVSENSE Adaptive Front Lighting System (AFS) High Beam Control System (HBC) Blind Spot Monitoring (BSM) System Rear Cross Traffic Alert (RCTA) Mazda Radar Cruise Control (MRCC) Smart City Brake Support (SCBS) Smart Brake Support (SBS) Forward Sensing Camera (FSC) Radar Sensor (Front) Laser Sensor (Front) Radar Sensors (Rear)

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