Toyota Corolla Manuals

Toyota Corolla: LTA (Lane Tracing Assist) / Indications on multi-information display

Toyota Corolla. Indications on multi-information display

A - LTA indicator

The illumination condition of the indicator informs the driver of the system operation status.

Illuminated in white: LTA system is operating.

Illuminated in green: Steering wheel assistance of the steering assist function or lane centering function is operating.

Flashing in orange: Lane departure alert function is operating.

B - Operation display of steering wheel operation support

Displayed when the multi-information display is switched to the driving support system information screen.

Indicates that steering wheel assistance of the steering assist function or lane centering function is operating.

Both outer sides of the lane are displayed: Indicates that steering wheel assist of the lane centering function is operating.

One outer side of the lane is displayed: Indicates that steering wheel assist of the steering assist function is operating.

Both outer sides of the lane are flashing: Alerts the driver that their input is necessary to stay in the center of the lane (lane centering function).

C - Lane departure alert function display

Displayed when the multi-information display is switched to the driving support system information screen.

► Inside of displayed lines is white

Toyota Corolla. Indications on multi-information display

Indicates that the system is recognizing white (yellow) lines or a course*. When the vehicle departs from its lane, the white line displayed on the side the vehicle departs from flashes orange.

► Inside of displayed lines is black

Toyota Corolla. Indications on multi-information display

Indicates that the system is not able to recognize white (yellow) lines or a course* or is temporarily canceled.

*: Boundary between asphalt and the side of the road, such as grass, soil, or a curb

D - Follow-up cruising display

Displayed when the multi-information display is switched to the driving support system information screen.

Indicates that steering assist of the lane centering function is operating by monitoring the position of a preceding vehicle.

When the follow-up cruising display is displayed, if the preceding vehicle moves, your vehicle may move in the same way. Always pay careful attention to your surroundings and operate the steering wheel as necessary to correct the path of the vehicle and ensure safety.

■Operation conditions of each function

  • ●Lane departure alert function

This function operates when all of the following conditions are met.

  • LTA is turned on.
  • Vehicle speed is approximately 32 mph (50 km/h) or more.
  • System recognizes white (yellow) lane lines or a course*2. (When a white [yellow] line or course*2 is recognized on only one side, the system will operate only for the recognized side.)
  • Width of traffic lane is approximately 9.8 ft. (3 m) or more.
  • Turn signal lever is not operated. (Vehicle with BSM: Except when another vehicle is in the lane on the side where the turn signal was operated)
  • Vehicle is not being driven around a sharp curve.
  • No system malfunctions are detected.

●Steering assist function

This function operates when all of the following conditions are met in addition to the operation conditions for the lane departure alert function.

  • Setting for “Steering Assist” in of the multi-information display is set to “ON”. (®P.581)
  • Vehicle is not accelerated or decelerated by a fixed amount or more.
  • Steering wheel is not operated with a steering force level suitable for changing lanes.
  • ABS, VSC, TRAC and PCS are not operating.
  • TRAC or VSC is not turned off.
  • Hands off steering wheel warning is not displayed.

●Vehicle sway warning function

This function operates when all of the following conditions are met.

  • Setting for “Sway Warning” in Toyota Corolla. Indications on multi-information display of the multi-information display is set to “ON”. (®P.581)
  • Vehicle speed is approximately 32 mph (50 km/h) or more.
  • Width of traffic lane is approximately 9.8 ft. (3 m) or more.
  • No system malfunctions are detected.

●Lane centering function

This function operates when all of the following conditions are met.

  • LTA is turned on.
  • Setting for “Steering Assist” and “Lane Center” in of the multi-information display are set to “ON”. (®P.581)
  • This function recognizes white (yellow) lane lines or the position of a preceding vehicle (except when the preceding vehicle is small, such as a motorcycle).
  • The dynamic radar cruise control with full-speed range is operating in vehicle-to-vehicle distance control mode.
  • Width of traffic lane is approximately 10 to 13 ft. (3 to 4 m).
  • Turn signal lever is not operated.
  • Vehicle is not being driven around a sharp curve.
  • No system malfunctions are detected. (®P.220)
  • Vehicle does not accelerate or decelerate by a fixed amount or more.
  • Steering wheel is not operated with a steering force level suitable for changing lanes.
  • ABS, VSC, TRAC and PCS are not operating.
  • TRAC or VSC is not turned off.
  • Hands off steering wheel warning is not displayed. (®P.220)
  • The vehicle is being driven in the center of a lane.
  • Steering assist function is not operating.

■Temporary cancelation of functions

  • ●When operation conditions are no longer met, a function may be temporarily canceled. However, when the operation conditions are met again, operation of the function is automatically restored.
  • ●If the operation conditions  are no longer met while the lane centering function is operating, the buzzer may sound to indicate that the function has been temporarily canceled.

■Steering assist function/lane centering function

  • Depending on the vehicle speed, lane departure situation, road conditions, etc., the driver may not feel the function is operating or the function may not operate at all.
  • The steering control of the function is overridden by the driver’s steering wheel operation.
  • Do not attempt to test the operation of the steering assist function.

■Lane departure alert function

  • The warning buzzer may be difficult to hear due to external noise, audio playback, etc.
  • If the edge of the course* is not clear or straight, the lane departure alert function may not operate.
  • Vehicle with BSM: It may not be possible for the system to determine if there is a danger of a collision with a vehicle in an adjacent lane.
  • Do not attempt to test the operation of the lane departure alert function.

■Hands off steering wheel warning

In the following situations, a warning message urging the driver to hold the steering wheel and the symbol shown in the illustration are displayed on the multi-information display to warn the driver. The warning stops when the system determines that the driver holds the steering wheel. Always keep your hands on the steering wheel when using this system, regardless of warnings.

Toyota Corolla. Indications on multi-information display

●When the system determines that the driver is driving without holding the steering wheel while the system is operating

If the driver continues to keep their hands off of the steering wheel, the buzzer sounds, the driver is warned and the function is temporarily canceled. This warning also operates in the same way when the driver continuously operates the steering wheel only a small amount.

  • When the system determines that the vehicle may not turn and instead depart from its lane while driving around a curve

Depending on the vehicle condition and road conditions, the warning may not operate. Also, if the system determines that the vehicle is driving around a curve, warnings will occur earlier than during straight-lane driving.

  • When the system determines that the driver is driving without holding the steering wheel while the steering wheel assist of the steering assist function is operating.

If the driver continues to keep their hands off of the steering wheel and the steering wheel assist is operating, the buzzer sounds and the driver is warned. Each time the buzzer sounds, the continuing time of the buzzer becomes longer.

■Vehicle sway warning function

When the system determines that the vehicle is swaying while the vehicle sway warning function is operating, a buzzer sounds and a warning message urging the driver to rest and the symbol shown in the illustration are simultaneously displayed on the multi-information display.

Toyota Corolla. Indications on multi-information display

Depending on the vehicle and road conditions, the warning may not operate.

■Warning message

If the following warning message is displayed on the multi-information display and the LTA indicator illuminates in orange, follow the appropriate troubleshooting procedure. Also, if a different warning message is displayed, follow the instructions displayed on the screen.

  • “LTA Malfunction Visit Your Dealer”

The system may not be operating properly. Have the vehicle inspected by your Toyota dealer.

  • “LTA Unavailable”

The system is temporarily canceled due to a malfunction in a sensor other than the front camera. Turn the LTA system off, wait for a little while, and then turn the LTA system back on.

  • “LTA Unavailable at Current Speed”

The function cannot be used as the vehicle speed exceeds the LTA operation range. Drive slower.

■Customization

Function settings can be changed.

    Turning LTA system on

    Press the LTA switch to turn the LTA system on. The LTA indicator illuminates and a message is displayed on the multi-information display. Press the LTA switch again to turn the LTA system off...

    LDA (Lane Departure Alert with steering control)

    When driving on highways and freeways with white (yellow) lane lines, this function alerts the driver when the vehicle might depart from its lane or course* and provides assistance by operating the steering wheel to keep the vehicle in its lane or course*...

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