Smart Remote Key Cadillac XT4, XT5, CT6 315MHz 433MHz after 2015 10pcs/set

Transponder Keys for Cadillac XT4, XT5, CT6 after 2015 315MHz 433MHz minimum order: 10 pieces Why you buy this car key?The original car keys are wornThe original car keys are lostYou want to add new car keys SpecificationCondition: 100% Brand NewColor: BlackElectronic board: YESCompatibility: Cadillac XT4,XT5,CT6 after 2015Frequency: 315MHz 433MHzType: Smart Remote KeyButton: 51 Year WarrantyFree Technical Support Cadillac Remote Car Key:1. Here listed is a new smart key for Cadillac XT4,XT5,CT6 after 2015.2. The key has 2 kinds of frequency, 315MHz 433MHz. Please select a correct one.3. The item contain key shell, blade, battery circuit board and integrated chip. It's a full key.4. Please make sure your original key has the same appearance and frequency. 5. You'll need to program the key and cut the blade at locl automotive locksmith before using.Note - The circuit board and chip is correct for 315MHz 433MHz respectively.Where do I find the key's frequency?Please open the battery cove