Tl*the contact rented a 2009 mazda3. while driving the vehicle approximately 25 mph, he experienced numbness in his left arm up to his fingers because he left his elbow on the arm rest. a doctor told him that he may have experienced a blood clot. he felt that the arm rest may have been too hard. he emailed the manufacturer and is awaiting a response. the current mileage was approximately 60,000. the failure mileage was approximately 39,000.