Conn. Gen. Stat. § 53a-60d: Assault in the second degree with a motor vehicle: Class D felony.

(a) A person is guilty of assault in the second degree with a motor vehicle when, while operating a motor vehicle under the influence of intoxicating liquor or any drug or both, he causes serious physical injury to another person as a consequence of the effect of such liquor or drug.

(b) Assault in the second degree with a motor vehicle is a class D felony and the court shall suspend the motor vehicle operator's license or nonresident operating privilege of any person found guilty under this section for one year. The court shall also order such person not to operate any motor vehicle that is not equipped with an approved ignition interlock device, as defined in section 14-227j, for a period of two years after such person's operator's license or nonresident operating privilege is restored by the Commissioner of Motor Vehicles.