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 ...

Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular maintenance is essential. It is the owner’s responsibility to perform regular checks. Lexus recommends the following maintenance. ...

If a warning message is displayed
If a warning is shown on the instrument cluster, stay calm and perform the following actions: 1. Master warning light The master warning light also comes on or flashes in order to indicate that ...