QualityKeylessPlus Replacement Keyless Entry 4 Button Case and Pad for Cadillac FCC ID OUC6000066 No programming needed! High quality replacement case and button pad. Free key tag service with every purchase! (See details below) Simple fix for damaged cases, just transfer over your electronics and battery! This case is compatible with remotes that have FCC ID OUC6000066 and 4 buttons.