→Compatible with over 90% vehicle models and aftermarket car stereos, including T-oyota, H-onda, M-azda, K-ia, V-olkswagen, H-yundai, M-ercedes, K-enwood, B-laupunkt, A-lpine, and numerous more.

For that matter, many aftermarket head units now don ... Then subtract the number of people who have an FM radio either in the car or separately that they could use if necessary.