This invention generally relates to an animal or pet restraint apparatus for supporting an animal in a vehicle. The animal restraint apparatus adapted to engage with a vehicle seatbelt assembly having a waist strap portion and a shoulder strap portion. The apparatus is comprised of a flat tubular body having a tubular passage configured for releasably receiving the seatbelt assembly and a means for releasably engaging the back panel portion of the flat tubular body to the lower chest portion of a pet, avoiding the neck area. The present invention and its embodiments provide a means for safely and comfortably transporting a pet in a vehicle.