It's just a remote key shell fit for 2011-2020 Toyota Sienna Keyless Entry Key Fob HYQ14ADR This replacement key cover must be cut the blade and remove the remote set(crucuit board and chip) to this new cover This Cover is a good replacement cover for broken or worn keys.It looks like a new key after you use it. Easy installation which does not require reprogramming. Please feel free to contact us if there's any issue before or after purchasing. your case will be taken seriously regardless of warranty period.