【How-to】What sound system does cadillac use

Where to Find Harman Kardon Sound. If you’re in the market for a new vehicle and you find audio to be a key factor in your decision, you might be happy to learn that Harmon Kardon is available in select vehicles from Kia, BMW, Chrysler, Dodge, Jeep, Mercedes-Benz, Mini, Subaru, and Volvo.