This is a Brand New Remote Car Key Fob that comes complete including batteries. 100% new, never used remote.This is a Keyless2Go replacement remote key fob that will work and function just like the original one. Programming:This remote MUST BE PROGRAMMED BY A QUALIFIED LOCKSMITH OR DEALERSHIP.Compatibility: Please check the above compatibility guide to make sure that this works for your vehicle.Please make sure that your original remote was part number GM # 25628814, 25668603, 25678792 and FCC ID: KOBUT1BT. There are 2 possible remotes for 2000-2001 vehicles and they are not interchangeable. You must verify part number on your original remote prior to purchasing. If you do not have original remote for your vehicle, you can contact your local dealership with your VIN number and ask for the part number.This remote will also work as a replacement for the following GM part numbers: 15732805, 25656444, 25656445, 25665574, 25665575 with FCC ID: KOBUT1BT. Buick 1996-2000 Lesabre1996-2005 Park Avenue1996-1999 RivieraCadillac 1998-2000 Eldorado1998-2000 SevilleChevrolet 2000-2001 Astro1998-2001 Blazer (SUV – not pickup)2000 Impala2000 Malibu2000 Monte CarloGMC 1998-2000 Envoy1998-2001 Jimmy2000-2001 Safari1998-2001 BravadaOldsmobile 2001-2002 Aurora1999-2000 Alero1995-1999 Aurora1996-1999 Eighty Eight1996-1999 LSS1996 Ninety Eight1997-1999 RegencyPontiac 1996-1999 Bonneville2000 Bonneville1999-2000 Grand AmDISCLAIMERAll product names, brands, logos and or other trademarks within our sales information are the property of their respective owners. These are used to simplify the identification of the proper parts for a particular vehicle. None of the companies or trademarks affiliate with, endorse or sponsor us or our products.