Toyota Corolla: RSA (Road Sign Assist) / Supported types of road signs
The following types of road signs, including electronic signs and blinking signs,
are recognized.
A non-official or a recently introduced traffic sign may not be recognized.

When the front camera recognizes a sign, the sign will be displayed on the multi-information
display.
When the driving support system information is selected, a maximum of
3 signs can be displayed...
In the following situations, the RSA system will notify the driver.
When the vehicle speed exceeds the speed notification threshold of the
speed limit sign displayed, the sign display will be emphasized and a buzzer
will sound...
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*...
Make sure that all occupants are wearing their seat belts before driving the
vehicle.
WARNING
Observe the following precautions to reduce the risk of injury in the event
of sudden braking, sudden swerving or an accident.
Failure to do so may cause death or serious injury...