Siemens VDO offers a product line of vehicle components, including HVAC, Engine Cooling, Power Window and Fan Assemblies, Gauges, Engine Management and Tire Pressure Monitoring Systems. In North America, Siemens VDO Service ' Special Solutions group provides original equipment products for off-highway, heavy-duty, specialized equipment, marine, and powersports manufacturers, as well as products for aftermarket applications including replacement parts, instrumentation, and navigation systems.