If you own a 2013-2019 Cadillac, Buick, or Chevrolet model with an 8-inch factory screen, you’ve likely faced a common frustration: outdated infotainment systems that lack seamless smartphone integration. Many older vehicles in these lineups miss out on wireless CarPlay and Android Auto, forcing drivers to rely on clunky wired connections or settle for limited built-in features. Fortunately, RoadTop’s Universal CarPlay Decoder (CP-ZH-GM-8IN)