See also:

Changing batteries
Batteries are required for the remote control and for the two sets of cordless headphones. Changing batteries. ...

Important safety notes
Have the batteries changed at a qualified specialist workshop. WARNING Batteries contain toxic substances. Swallowing batteries can lead to serious health issues or death. Keep batteries out ...

Points to observe before use
The sockets can be used for accessories, e.g. lamps or mobile phone chargers with a maximum current draw of 180 W (15 A). If you use the sockets for long periods when the engine is switched off, ...