Have a Car Question? Ask a Mechanic Online.
Try United Radio Service; this is where dealers send their radios out for repair. If you give them a call, I am sure they can tell you over the phone whether they have buttons available...
they are located in Syracuse, NY
Toll free 1-800-634-8606
They are very knowledgeable and helpful, and I have had nothing but good experiences dealing with them for over 20 years.
If you feel my answer is helpful, please click on my accept button; we specialists do not get paid for our time unless the customer accepts our answer. thanks!