Have the malfunction repaired immediately.
Lexus GX / Lexus GX Owners Manual / When trouble arises / Steps to take in an emergency / If a warning message is displayed / Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check that the warning message and light go off.
See also:
Steering
...
What is covered and how long
Emission Defect Warranty
Lexus warrants that your vehicle:
• Was designed, built and
equipped to conform at the time
of sale with applicable federal
emissions standards.
• Is free from ...
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.
...