PAC C2R-GM29 29-Bit Interface for 2007 GM Vehicles with No OnStar System: * Data-controlled rap accessory output * Retains factory warning chimes and audible turn signal indicators * Steering wheel control output wire * Antenna turn on, amplifier turn on and RSE turn on (if equipped) * Dimmer/illumination output wire * Rear seat audio controls and headphone jacks are retained with use of SWI-module * For 2006 - 2007 Buick Lucerne, 2007 Cadillac DTS, Escalade and SRX, 2007 Chevrolet Avalanche, Equinox, Silverado (non-classic), Suburban and Tahoe, 2006 - 2007 Impala and Monte Carlo, 2007 GMC Arcadia, Denali, Sierra (non-classic) and Yukon, 2007 Pontiac Torrent and 2007 Saturn Outlook