Part Numbers: 13584502 Fitment: for GMC Terrain 2018-2020 FCC ID: HYQ1AA; Frequency: 315MHz; This car key fob has 5 buttons, lock key, unlock key, remote start key, trunk hold key (press twice in quick succession), panic key. Programming: This remote must be programmed and cut by a qualified locksmith or dealership. Note: please make sure the remote programming can work on your vehicle before asking the locksmith to cut the key. This is a non-OEM product, accessory only! Package Included:1 x Car Keyless Entry Remote (Battery included)