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 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*...
This audio/visual system is equipped with Radio Broadcast Data Systems (RBDS).
RBDS mode allows text messages to be received from radio stations that utilize RBDS
transmitters.
When RBDS is on, the radio can do the following functions.
Only selecting stations of a particular program type
Displaying messages from radio stations
Searching for a stronger signal station
RBDS features are availa..