13. Action for Damages

A Galant driven by John and owned by Art, and a Corolla driven by its owner, Gina collided somewhere along Adriatico Street. As a result of the accident, Gina had a concussion. Subsequently, Gina brought an action for damages against John and Art. There is no doubt that the collision is due to John's negligence. Can Art, who was in the vehicle at the time of the accident, be held solidarilv liable with his driver, John? [5%]