See also:

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. ...

Engine coolant
The coolant level is satisfactory if it is between the “F” and “L” lines on the reservoir when the engine is cold. 1. Reservoir cap 2. Full 3. Low If the level is on or below the “L� ...

Reporting safety defects for U.S. owners
If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in a ...