Congratulations on registering for your Prolong Engine Treatment Warranty!
One last step, we need a copy of your receipt, and if you were unable to attach it to the previous form, there are several other options you can use to get it to us:

1) Mail it to: (just make sure it has your name and Phone number on it)
Prolong Warranty Administrator
1937 Mount Vernon Avenue
Pomona, CA 91769-3312

2) Fax it to:
909-865-4467 (again, just make sure it has your name and Phone number on it)

3) Scan it or take a picture of it with your phone and send it to:
warranty@prolong.com (again, just make sure you include your name and Phone number in the e-mail body)