Indiana Code Title 24. Trade Regulation § 24-5-13-9

Sec. 9. (a) A buyer must first notify the manufacturer of a claim under this chapter if the manufacturer has made the disclosure required by subsection (b).  However, if the manufacturer has not made the required disclosure, the buyer is not required to notify the manufacturer of a claim under this chapter.

(b) The manufacturer shall clearly and conspicuously disclose to the buyer, in the warranty or owner's manual, that written notification of the nonconformity is required before the buyer may be eligible for a refund or replacement of the vehicle.  The manufacturer shall include with the warranty or owner's manual the name and address to which the buyer must send notification.