See also:

Function restrictions
You will not be able to use the telephone, will no longer be able to use the telephone, or you may have to wait before using it, in the following situations: • when the mobile phone is switch ...

NECK-PRO head restraints
Resetting the NECK-PRO head restraints requires a lot of strength. If you have difficulty resetting the NECK-PRO head restraints, have this work carried out at a qualified specialist workshop, e.g ...

Restoring the factory settings
•► Press the and buttons simultaneously for approximately six seconds until the battery check lamp flashes twice. ...