Retains all safety warning chimes when factory radio is replaced; Provides 10-min RAP accessory output; Updateable via PAC-UP USB adapter; Compatible with 2015-2017 Buick(R) Encore, 2016-2017 Chevrolet(R) Camaro, Cruze, Malibu, Silverado, Silverado HD & Sonic, 2017 Chevrolet(R) Spark & Trax, 2017 GMC(R) Acadia & 2016-2017 GMC(R) Sierra & Sierra HD vehicles with 7 screens;