Leaving any motor vehicle stationary on the highway without setting the brake in such manner as to prevent such vehicle from moving, unless it is occupied by a person able to control the same, shall be an infraction.
Conn. Gen. Stat. § 14-228
(1949 Rev., S. 2414; P.A. 75-577, S. 72, 126.)
See Sec. 14-107 re liability of owner, operator or lessee of vehicle.