See also:

Route
General informationDepending on your vehicle's equipment, various views of the route are available during route guidance: > Arrow display on the Control Display. > List of route segments ...

Maintenance
The battery is maintenance-free, i.e., the electrolyte will last for the life of the battery. Your service center will be glad to advise you on questions regarding the battery. ...

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...