See also:

What is not covered
These warranty obligations do not apply to failures or noncompliance caused by: ʉۢ The use of replacement parts not certified in accordance with aftermarket parts certification regulation ...

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 You Need Assistance
Both Lexus and your Lexus dealer are dedicated to serving your automotive needs. Your complete satisfaction is our first priority. Should you have a problem or concern, please take the following s ...