Each adapter is compatible with the corresponding vehicles:
07: Compatible with Nissan
08: Compatible with Chrysler, Dodge, Jeep and Plymouth
09: Compatible with some GM, Buick, Cadillac, Hummer, Oldsmobile, Chevrolet, GMC, Pontiac and some Mazda
10: Compatible with Hyundai, Mitsubishi, Subaru, Nissan, some Ford/Lincoln and some Chrysler/Dodge
11: Compatible with Alfa Romeo, Audi, BMW, Jaguar, Land Rover, Mercedes, Peugeot, Porsche, Renault, Saab, VW, Volvo, Chrysler Crossfire, Daewoo, late Model Ford, Kia, Mini and Some Mazda
12: Compatible with Chrysler, Dodge, Jeep and Plymouth