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.
WARNING
â– Before using the RSA
Do not rely solely upon the RSA system. RSA is a system which supports the driver by providing information, but it is not a replacement for a driver's own vision and awareness. Drive safely by always paying careful attention to the traffic rules.
Indication on the multi-information display
When the front camera recognizes a sign, the sign will be displayed on the multi-information display.
Vehicles with 12.3-inch display: A maximum of 2 signs can 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.
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.
Speed limit
Do Not Enter
Stop
Yield
Notification function
In the following situations, the RSA system will notify the driver.
Depending on the situation, a notification function may not operate properly.
â– Automatic turn-off of RSA sign display
In the following situations, a displayed speed limit sign and/or do not enter sign will stop being displayed automatically:
In the following situations, stop and yield signs will stop being displayed automatically:
â– Conditions in which the function may not operate or detect correctly
In the following situations, RSA does not operate normally and may not recognize signs, display the incorrect sign, etc. However, this does not indicate a malfunction.
â– Speed limit sign display
If the engine switch was last turned off while a speed limit sign was displayed on the multi-information display, the same sign displays again when the engine switch is turned to ON.
â– If "RSA Malfunction Visit Your Dealer" is shown
The system may be malfunctioning.
Have the vehicle inspected by your Toyota dealer.
â– Customization
Some functions can be customized.
Indications on multi-information
display
Dynamic radar cruise control
with full-speed rangeShort in driver side curtain shield squib circuit
Description
The driver side curtain shield squib circuit consists of the center airbag
sensor and the curtain shield
airbag lh.
The circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the driver side
cu ...
Removal
Hint:
Use the same procedures for the rh side and lh side.
The procedures listed below are for the lh side.
Disconnect cable from negative battery terminal
Notice:
Wait at least 90 seconds after disconnecting the
cable from the negative (-) battery terminal to
prevent airbag and se ...
Tire pressure warning valve and transmitter
Components
Removal
Remove front tire
Remove rear tire
Remove tire pressure warning valve subassembly
Remove the valve core and cap, and release air
from the tire.
After ensuring that air is sufficiently released,
remove the nut and washer that are used to fix the
tire pres ...