Engine Cooling System problems of the 2007 Volvo S40

The contact owns a 2007 Volvo S40. The contact has recently rented three zip-cars within the past few months and has detected an unusual scent coming from the vents. The pants he had hanging inside the vehicle had a faint smell to them once he arrived home. He believes there could be asbestos inside the vehicles. The dealer and manufacturer have not been notified. The VIN and engine size were unknown. The current and failure mileages were 40.