Vehicle Compatibility Verification: Please confirm your vehicle's Year, Make, and Model match this listing before purchasing to ensure proper fitment. This can be found on your insurance card, vehicle registration, owner's manual, driver-side door jam, or vehicle title records Programming Required: This remote must be professionally programmed by an automotive locksmith or dealership. It cannot be self-programmed and will not function until properly programmed Uncut Emergency Key Included: Remote comes with a blank emergency key insert that must be cut by a locksmith or hardware store to match your vehicle's ignition or door lock Pre-Installed Battery: Remote comes complete with battery and internal electronics already installed. Arrives ready to program-no need to open the case or install anything before use Durable Build: Constructed with a high-quality, non-logo aftermarket shell built to withstand daily wear and tear. Designed for reliability, longevity, and original-level performance 7-Button Proximity Remote: Features seven buttons for comprehensive vehicle control including lock, unlock, remote start, power sliding doors, and liftgate operation for complete keyless convenience OEM Part Number Compatibility: Replaces Honda OEM part numbers A2C98590600 and 72147-THR-A11, ensuring compatibility with 2018, 2019, and 2020 Honda Odyssey models USARemote Key Fob Replacement Keyless Entry Remote for 2018 2019 2020 Honda Odyssey 7-Button Proximity Remote Key (A2C98590600, 72147-THR-A11)