In Brenner v. Aetna Insurance Company (1968) 8 Ariz.App. 272 445 P.2d 474, 478, defendant was on the front passenger seat of a vehicle with a loaded gun in his lap; the gun accidentally discharged. The court, in seeking "some causal relation or connection," stated that the evidence established that no motion of the vehicle or contract with it caused the gun to go off, and found no coverage under the automobile policy.