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:
When your vehicle is too close to a vehicle ahead, and sufficient automatic deceleration
via the cruise control is not possible, the display will flash and the buzzer will
sound to alert the driver. An example of this would be if another driver cuts in
front of you while you are following a vehicle...
■ Automatic Collision Notification
In case of either airbag deployment or severe rear-end collision, the system
is designed to automatically call the response center. The responding agent receives
the vehicle’s location and attempts to speak with the vehicle occupants to assess
the level of emergency...