See also:

Calls with multiple participants
General information You can switch between calls or connect two calls to a single conference call. These functions must be supported by the mobile phone and service provider. Accepting a call ...

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. ...

Changing wheels and tires
Mounting Information on mounting tires Have mounting and balancing performed only by a service center or tire specialist. If this work is not carried out properly, there is the danger of subse ...