The seller said AM/FM 8 track. That’s why I put the R37 code. However, as pointed out by @saforwardlook here and @polara71 above, such a choice was not available on Polaras in 1970. I’ve edited accordingly (and added a bunch more info too, for records).
A photo of the R22 radio and dash can be seen here.
A photo of the R22 radio and dash can be seen here.
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