See also:

Fuses
Notes Replacing fuses Never attempt to repair a blown fuse and do not replace a defective fuse with a substitute of another color or amperage rating; this could lead to a circuit overload, ul ...

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Disposing of old batteries
Have old batteries disposed of by your service center or bring them to a recycling center. Maintain the battery in an upright position for transport and storage. Secure the battery so that ...