Compatibility: This Keyless Entry Remote Control Car Key Fob Replacement Is Compatible with Part Numbers: 15732805 and FCC ID:KOBUT1BT Frequency: 315 MHz for Chevrolet Suburban Tahoe Silverado S10 GMC Suburban Sierra Sonoma.This remote fits:(for reference only) For Chevy Astro Blazer / GMC Jimmy Safari / Oldsmobile Bravada 1998 1999 2000 2001 etc ,same year and model car might have different keyless entry systems and key blade slots,please confirm your FCC ID,OEM Part Number,Chip,Remote Buttons and Key Blade of your genuine key is identical with this smart remote before purchasing.NOTE: Please make sure that your key has the same button combination and model number as this one. And your vehicle must be equipped with keyless entry for this key to work.This is a 100% brand new product. Each keyless entry remote car key fob is fully pre-checked with professional locksmith tools before shipping. All of our key fobs come pre-installed with batteries and electronics. Uses and functions the same as the original, durable and long lasting a aftermarket replacement.PROGRAMMING AND CUTTING: This remote car key replacement must be professionally cut and programmed by a qualified local locksmith . Programming by a dealer is not recommended as they have limited software capabilities and can only program genuine parts.