Tl* the contact owns a 2011 toyota sienna. the contact stated that the interior lighting illuminated upon making a turn. the lights dimmed after the turn was completed. the contact was uncertain if the vehicle would be repaired by a dealer or an independent mechanic. the dealer was notified of the failure. the manufacturer advised the contact to take the vehicle to a dealer to schedule an appointment. the vin was not available. the failure mileage was 100,000.