The Toyota Prius is a full hybrid electric mid-size hatchback, formerly a compact sedan developed and manufactured by Toyota. Some model years of the Toyota Prius have keyless entry remote fob smart keys that are onboard programmable, which means a person can program the keyless entry remote fob smart key with no special equipment other than the keyless entry remote fob smart key programming instructions. However, other model years of the Toyota Prius are not on-board programmable and require special equipment in order to program the keyless entry remote fob smart key.