New front-end designs with chrome mesh grilles and heated/cooled seat options (LTZ models) help enhance the 2012 Silverado’s appearance and driver comfort. A navigation radio, OnStar and Sirius XM satellite radio, Bluetooth, USB, and dealer-installed Wi-Fi system delivers on connectivity. With the exception of hybrid models, all 1500s have trailer sway control and hill start assist. Chevrolet. 800-950-2438.