See also:

How does the arbitration process work?
When NCDS receives your request, it will be forwarded to the Lexus area office for response. At the request of either party or the arbitrators, NCDS may schedule a technical inspection. This may ...

Replacement parts
Warranty coverage is not dependent upon the use of any particular brand of replacement parts. However, Lexus recommends using only Genuine Lexus Parts when you need to replace a part on your vehi ...

If your vehicle fails an emissions test
If your vehicle fails an EPA-approved emissions 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 cop ...