Audio Systems: Toyota Sienna radio, plastic ears, snap switches

Question
On the 98 model year of the Toyota Sienna AM/FM/CD standard radio unit, the rectangular rocker button used for tuning the radio as well as the CD track selector has come loose.  Toyota does not seem to have a replacement.
The knob falls out of the cutout area and there does not seem to any clips to hold it in.  Mid way on the plastic button, I can see some small plastic ears that have been worn down.

Are there any suggestions in holding the button back in place or fixing it or even replacing the plastic rocker button.
BR

Answer
Bruce,
The repair this problem you can purchase a new face plate assembly at a cost of about $90-$100, or you can try using a small piece of foam that is glued (contact cement)between the center of the upper and lower contacts from left to right and glue the button top onto the foam strip so the the top and bottom protrusions make contact with the snap switches under the switch top/s. I have used this procedure many times with no complaints and saved the customer some money at the same time.

TOM,
T&D ELECTRONICS
tdeser@zoominternet.net