GM Group 4 Button OEM Replacement Auto Remote, Confidential Vehicle Applications, Hotwire Required For Programming The Following Models: Buick LaCrosse 2005-2006, Chevrolet Cobalt 2005-2006, Chevrolet Malibu 2004-2005, Chevrolet Malibu Maxx 2004-2005, Pontiac G6 2005, Pontiac Grand Prix 2004-2006, Pontiac Solstice 2006, For Battery Replacement Use #2032.