See also:

Do-it-yourself service precautions
If you perform maintenance yourself, be sure to follow the correct procedure given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move sud- ...

Follow the correction procedures.
A buzzer sounds and a warning message is shown on the multi-informa- tion display. After taking the specified steps to correct the suspected problem, check that the warning message goes off. ...

If your vehicle fails a smog-check test
If your vehicle fails a smog-check test, you may make a claim under the Emission Performance Warranty. To do so, take your vehicle to an authorized Lexus dealership and present a copy of the smog ...