Have the vehicle inspected by your Lexus dealer immediately.
Failing to investigate the cause of the following warnings may lead to the system operating abnormally and possibly cause an accident. Have the vehicle inspected by your Lexus dealer immediately.
*: If equipped
See also:
Operation and Maintenance
GENERAL INFORMATION
You are responsible for ensuring that your Lexus is operated and maintained according
to the instructions in the Owner’s Manual and the “Maintenance Information” section
...
Radar sensor
The radar sensor detects vehicles or other obstacles on or near the road ahead
and determines whether a collision is imminent based on the position, speed, and
heading of the obstacles.
...
Seat belt instructions for Canadian owners (in French)
The following is a French explanation of seat belt instructions extracted
from the seat belt section in this manual
See the seat belt section for more detailed seat belt instructions in English.
...