PAC RP4-GM31 RadioPRO4 Radio Replacement Interface for GM Vehicles with GM LAN 29-Bit Databus, RP4-GM31

• All-in-one radio replacement and steering wheel control interface;• Preloaded with amp-retention and SWC software;• Retains steering wheel controls (pre-programmed);• Data controlled accessory and navigation outputs;• Retains factory amplifier and back-up sensors/park assist; provides factory RSE activation;• Rear seat audio and video (GMRVD) required (sold separately);• 2012 through 2014 Avalanche, Sierra, Silverado Suburban, Tahoe, and Yukon: vehicles equipped with a navigation radio are not compatible; these vehicles must use the RP4-GM32 (sold separately); also does not retain OnStar(R), escalating tones of parking sensor proximity nor lane departure or forward collision warning tones;• Chevrolet(R) Express vans and GMC(R) Savannah vans equipped with diesel engines are not compatible;• Premium Factory amplified Systems will not fade as neither the aftermarket radio or the RP interface have the ability to control the amplifier's fader;• Compatible with Buick(R) Enclave 2008 throug