Get Driving -> LDA (Lane Departure Alert) Guide for Toyota Aygo SUV Second Generation (2015-2021)

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4-5. Toyota Safety Sense

LDA (Lane Departure Alert)

Summary of function

While driving on a road that has lane markers, this system recognizes

the lane markers using a camera as a sensor to alert the driver when

the vehicle deviates from its lane.

If the system judges that the vehicle has deviated from its lane, it

alerts the driver using a buzzer and indications on the meter.

Front sensor

Turning the LDA system on

Press the LDA switch to activate

the system.

The LDA indicator will come on.

Press the switch again to turn the

LDA system off.

The LDA system will remain on or

off even if the engine switch is

turned off.

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4-5. Toyota Safety Sense

Operating conditions

● When the vehicle speed is approximately 50 km/h (32 mph) or

more

● When the lane width is more than approximately 3 m (9.8 ft.)

● When driving on a straight road or through a curve with a radius of

more than approximately 150 m (492 ft.)

Indication on the meter

When both of the lane marker

indicators turn green:

Indicates that both right and left

lane markers are recognized.

If the vehicle deviates from the

lane, the lane marker indicators of

the deviated side will flash yellow.

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When either of the lane marker

indicators turns green:

Indicates that the lane marker on

the green-marked side is recog-

nized.

If the vehicle deviates from a lane

on the side with the recognized

lane markers, the lane marker indi-

cators will flash in yellow.

When both of the lane marker

indicators turn off:

Indicates that no lane markers are

recognized or the LDA system is

temporarily canceled.

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4-5. Toyota Safety Sense

■Temporary cancelation of the LDA system functions

If any of the following occurs, the LDA system functions will be temporarily

canceled. The functions will resume after the necessary operating conditions

have returned.

●The turn signal lever is operated.

●The vehicle speed deviates from the operating range of the LDA system

functions.

●When the lane lines cannot be recognized while driving.

●When the lane departure warning sounds.

The lane departure warning function will not operate again for a several sec-

onds after it has been activated, even if the vehicle leaves the lane again.

■The lane departure warning

Depending on the audio system sound level or air conditioning fan noise

while the audio system or air conditioning system is in use, it may be difficult

to hear the warning sound.

■After the vehicle has been parked in the sun

The LDA system may not be immediately available. When the temperature in

the cabin decreases and the temperature around the front sensor (P. 212)

becomes suitable for its operation, the functions will begin to operate.

■If there are lane markers on only one side of the vehicle

The lane departure warning will not operate for the side on which lane mark-

ers could not be recognized.

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4-5. Toyota Safety Sense

■Conditions in which the function may not operate correctly

In the following situations, the front sensor may be unable to recognize lane

markers causing the lane departure warning function to operate incorrectly.

However, this does not indicate a malfunction.

●When driving through an area, such as a tollbooth, a crossing or before a

ticket checkpoint

●When driving on a sharp curve

●When lane markers are extremely narrow or extremely wide

●When the vehicle leans to one side an unusual amount due to a heavy load

or improper tire inflation pressure

●When the following distance between your vehicle and the vehicle ahead is

extremely short

●When the lane markers are yellow (These may be more difficult for the sys-

tem to recognize compared to white markers.)

●When the lane markers are broken, Botts’ dots (raised pavement markers)

or stones

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●When the lane markers are on a curb etc.

●When lane markers are obscured or partially obscured by sand, dirt, etc.

●When there are shadows on the road running parallel with lane markers, or

if a shadow covers the lane markers

●When driving on a particularly bright road surface, such as concrete

●When driving on a road surface that is bright due to reflected light

●When driving in a location where the light level changes rapidly, such as the

entrance to or exit from a tunnel

●When sunlight or the headlights of oncoming vehicles are shining directly

into the camera lens

●When driving on roads that are branching or merging

●When driving on a road surface that is wet due to rain, previous rainfall,

standing water, etc.

●When the vehicle experiences strong up-and-down motion such as when

driving on an extremely rough road or on a seam in the pavement

●When headlight brightness at nighttime is reduced due to dirt on the lenses,

or when the headlights are misaligned

●When driving on winding roads or roads that are uneven

●When driving on rough or unpaved roads

●When the windshield is dirty, or if raindrops, condensation or ice are adher-

ing to the windshield

●When the heater is blowing to the feet, the upper part of the windshield may

get fogged up and have a negative effect

●When cleaning the inside of the windshield, touching the lens or getting

glass cleaner on the lens may have a negative effect

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4-5. Toyota Safety Sense

■When changing the tires

Depending on the tires used, sufficient performance may not be maintain-

able.

■If the LDA indicator comes on in yellow

It may indicate a malfunction in the system. Contact any authorized Toyota

retailer or Toyota authorized repairer, or any reliable repairer.

WARNING

■Before using the LDA system

Do not rely solely on the LDA system. The LDA system does not drive the

vehicle automatically, nor does it reduce the amount of care you need to

take. As such, the driver must always assume full responsibility for under-

standing his/her surroundings, for operating the steering wheel to correct

the driving line, and for driving safely.

Inappropriate or negligent driving could lead to an accident.

■To avoid operating the LDA by mistake

Switch the LDA system off using the LDA switch when not in use.

NOTICE

■To prevent damage to or incorrect operation of the LDA system

●Do not modify the headlights or attach stickers to the surface of the lights.

●Do not modify the suspension. If your suspension needs repairs, contact

any authorized Toyota retailer or Toyota authorized repairer, or any reliable

repairer.

●Do not install or place anything on the hood or the grille. Also, do not install

a grille guard (bull bars, kangaroo bar etc.).

Driving -> LDA (Lane Departure Alert) for Your Toyota Aygo SUV Second Generation (2015-2021)

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