Feature The smart proximity key replacement comes with batteries. Wireless remote control and sensitive response, fully detected. The smart proximity remote key can provide a smooth and seamless user experience like the original key.ProgrammingMust be programmed and cut by a professional automotive dealer/locksmith. Uncut key blade needs to be cut by local locksmith or hardware shop. Please be sure to match FCC ID: HYQ4AA/HYQ4AS, Frequency: 315MHz. Chip:Hitag2/ID46.NotePls check the compatibility before you order it, make sure it is the same with your Chevrolet Equinox 2017-2021. This is a non-OEM product, accessory only! Package Included:1 x Car Keyless Entry Remote (Battery included). Full satisfaction risk free purchase within 90 days: If the remote does not work out for any reason, simply contact us for a refund or replacement.Perfect FitmentCompatible with Chevy Equinox 2017-2021. Replacement Part NumberFCC ID: HYQ4AA/HYQ4AS, Frequency: 315MHz. Chip:Hitag2/ID46.IMPORTANT NOTEWe know that you all want an OEM key, in fact, key just like the OEM key, except is no logo on the back. The key cannot be used directly after you receive. Please contact local locksmith/dealer to program the key with your car after you receive it, and you will be able to use the key after successfully programmed.