Toyota Corolla: RSA (Road Sign Assist) / Indication on the multi-information display
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.

- When a tab other than the driving support system information is selected,
the following types of road signs will be displayed.
- Speed limit sign
- Do Not Enter sign (when notification is necessary)

If signs other than speed limit signs are recognized, they will be displayed
in an overlapping stack under the current speed limit sign.
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...
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...
Other information:
The multi-information display shows warnings for system malfunctions and incorrectly
performed operations, and messages that indicate a need for maintenance. When a
message is displayed, perform the appropriate corrective action for the message.
If a warning message is displayed again after the appropriate actions have been
performed, contact your Toyota dealer...
Some states have vehicle emission inspection programs which include OBD (On Board
Diagnostics) checks. The OBD system monitors the operation of the emission control
system.
If the malfunction indicator lamp comes on
The OBD system determines that a problem exists somewhere in the emission control
system...