PAC C2R-GM11B Radio Replacement Interface (2005-2006 Cobalt, 2004-2007 Malibu, 2005-2007 G6, No OnStar)Replicates factory warning chimes & provides a databus-generated 12V accessory power output that is fully compatible with the GM (R) RAP systemKeeps the radio powered after key-offIssues data commands that maintain a health system status to other vehicle's systemsRetains all warning chimes including backup chimes, memory seats, low fuel, door/hatch ajar & othersRetains RAP system when key is turned off--radio stays on for approximately 10 min or until the door is openedSupplied wire harness to connect aftermarket stereo to factory speakersWill work in vehicle that has the factory Bose (R) amp removed or bypassed--custom wiring is requiredBuzzer is built into the interfaceIncludes +12V accessory wireFor non-OnStar (R) 2005-2006 Chevrolet (R) Cobalt, 2004-2007 Malibu, 2005-2007 Pontiac (R) G6Radio Replacement Interface (2005-2006 Cobalt, 2004-2007 Malibu, 2005-2007 G6, No OnStar (R) )