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

• All-in-one radio replacement and steering wheel control interface;• Preloaded with amp-retention and SWC software;• Navigation-based output signals;• Retains steering wheel controls (pre-programmed);• Data controlled accessory and navigation outputs;• Retains factory amplifier;• Rear seat audio and video (GMRVD) required;• Retains back-up sensors/park assist;• Provides factory RSE activation;• 2012-2014 Avalanche, Sierra, Silverado Suburban, Tahoe & Yukon: vehicles equipped with a navigation radio are not compatible; these vehicles must use the RP4-GM32 (sold separately);• Chevrolet(R) Express vans and GMC(R) Savannah vans equipped with diesel engines are not compatible;• Does not retain OnStar(R);• 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;• Does not retain escalating tones of parking sensor proximity;• Does not retain lane departure or forward collision warning tones;