See also:

Brake fluid
 - Checking fluid level The brake fluid level should be between the “MAX” and “MIN” lines on the tank.  - Adding fluid Make sure to check the fluid type and prepare the necessar ...

If you have repair delays questions
If you have questions or concerns about your vehicle’s California emission warranty coverage, please follow the steps described. You may also request information from or report complaints to: ...

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. ...