Compatible with following vehicles

Che-vy:
1997-2005 Astro
2007 Avalanche
2002-2006 Avalanche 1500/2500
1996-2005 Blazer
1997-1999 C1500
1998-2000 C2500/C3500
1998-1999 C2500/C3500 Suburban
1999-2002 Camaro
1998-2008 Express 1500/2500/3500
2004-2005 Classic
2005-2007 Cobalt
2004-2008 Colorado
2000-2008 Impala
1997-2008 Malibu
1996-2004 S10
1999-2010 Silverado 1500
2002-2007 Trailblazer
2005-2009 Uplander
1998-2007 Tahoe
2000-2007 Suburban 1500/2500
1997-2007 Monte Carlo
2000-2008 Corvette
2005-2007 Equinox
2006-2011 HHR

Bui-ck:
2005-2008 Bui-ck LaCrosse
1996-2005 Bui-ck LeSabre
2005-2007 Bui-ck Terraza
1997-2005 Bui-ck Century
2008 Bui-ck Enclave
1997-2004 Bui-ck Regal

GMC:
1996-2005 G-M-C Jimmy
2004-2008 G-M-C Canyon
1999-2010 G-M-C Sierra 1500
1999-2004 G-M-C Sierra 2500
2001-2010 G-M-C Sierra 2500 HD
2000-2007 G-M-C Yukon XL 1500/2500
1998-1999 G-M-C C1500/C2500 Suburban
2002-2007 G-M-C Envoy
1998-2008 G-M-C Savana 1500/2500/3500
2007 G-M-C Sierra 1500/2500/3500 HD Classic
1998-2007 G-M-C Yukon

Ca-dillac:
2003-2008 Ca-dillac CTS
2006-2011 Ca-dillac DTS
1999-2007 Ca-dillac Escalade

Olds-mobile:
1999-2004 Olds-mobile Alero
1998-2002 Olds-mobile Intrigue

Pontiac:
2005-2008 Pon-tiac G6
1996-2005 Pon-tiac Bonneville
1996-2005 Pon-tiac Grand Am
1998-2008 Pon-tiac Grand Prix

Hum-mer:
2003-2007 Hum-mer H2
2006-2008 Hum-mer H3

Sa-turn:
2003-2007 Sa-turn Ion
2002-2007 Sa-turn Vue