Compatibility: This Keyless Entry Remote Control Car Key Fob Replacement Is Compatible with Part Numbers: 13580800, 13598528 and FCCID:HYQ2AB Frequency: 315 MHz for Cadillac XT4 XT5 XT6 CTS SRX ATS STS XD6 CT6 Keyless Entry RemoteThis remote fits:(for reference only) For 2015-2019 Cadillac Escalade CTS SRX XT4 XT5 ATS STS XD6 CT6 remote Key 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: This key fob Does not support one-touch start vehicles, only regular key vehicles. Please verify your ignition type and FCC ID. 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 workThis 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 an aftermarket replacementPROGRAMMING: Qualified Locksmiths or Dealership Are Required for Programming. Product packaging includes1 x Car Keyless Entry Remote (Battery Included), 1 x Screwdrivers, 1 x Key ring