Toyota Corolla: LDA (Lane Departure Alert with steering control) / Turning LDA system on
Press the LDA switch to turn the LDA system on.
The LDA indicator illuminates and a message is displayed on the multi-information
display.
Press the LDA switch again to turn the LDA system off.
When the LDA system is turned on or off, operation of the LDA system continues
in the same condition the next time the engine is started.

■ Lane departure alert function
When the system determines that the vehicle might depart from its lane or course*,
a warning is displayed on the multi-information display, and a warning buzzer will
sound to alert the driver...
A - LDA indicator
The illumination condition of the indicator informs the driver of the system
operation status.
Illuminated in white: LDA system is operating...
Other information:
Extend the shoulder belt so that it comes fully over the shoulder, but
does not come into contact with the neck or slide off the shoulder.
Position the lap belt as low as possible over the hips.
Adjust the position of the seatback. Sit up straight and well back in
the seat...
The RSA system recognizes specific road signs using the front camera to provide
information to the driver via the display.
If the system judges that the vehicle is being driven over the speed limit, performing
prohibited actions, etc. according to the recognized road signs, it notifies the
driver through a visual notification and notification buzzer...