Pac RP4-GM31 Interface - Car Stereo Integration SolutionThe Pac RP4-GM31 Interface is an all-in-one radio replacement and steering wheel control (SWC) interface designed for 2006 to 2017 GM vehicles with a LAN 29-bit data bus. This innovative RadioPRO4 interface comes pre-loaded with amplifier retention and SWC software, navigation-based output signals, and other features that greatly simplify installation, saving both time and money.Product Features: Designed for 2006 to 2017 GM vehicles with a LAN 29-bit data bus Pre-loaded with amplifier retention and SWC software Data controlled accessory and navigation outputs Retains factory amplifier Requires GMRVD (Rear Seat Audio and Video) for audio and video playback Retains back-up sensors and park assist Provides factory Rear Seat Entertainment (RSE) activation Specifications: Compatibility: 2012 Avalanche, Sierra, Silverado Suburban, Tahoe; Yukon vehicles equipped with a navigation radio are not compatible. These vehicles must use the RP4-GM32 Chevrolet Express vans and GMC Savannah vans equipped with diesel engines are not compatible Does not retain OnStar. For OnStar retention, please use the RP5-GM31 Premium Factory amplified Systems will not fade as neither the aftermarket radio nor the RP interface have the ability to control the amplifier fader Does not retain escalating tones of parking sensor proximity Does not retain lane departure or forward collision warning tones Learn More: Steering Wheel Controls Amplifier Rear Seat Entertainment OnStar Parking Sensors Lane Departure Warning System Forward Collision Warning System