See also:

Remove attached partsfollowing use
Remove auxiliary mirrors, roof or rear luggage racks which are no longer required following use. Attached parts on the vehicle impair the aerodynamics and increase the fuel consumption. ...

General information
Your vehicle contains advanced technology for the reduction of fuel consumption and emissions. Fuel consumption depends on a number of different factors. The implementation of certain measures, ...

System limits
Speed range Best results are achieved when using the system on well-developed roads and highways. The desired speed can be selected between 20 mph/30 km/h to 110 mph/180 km/h. The system can al ...