See also:

What to do if...
Only a black screen is visible. Switch on the system. There are no options available on the screen. Switch over between the display screens. Radio stations or TV channels are grayed out ...

System limits
Be alert Due to system limitations, warnings may be not be issued at all, or may be issued late or improperly. Therefore, always be alert and ready to intervene; otherwise, there is the da ...

Displaying contacts
1. "Contacts" 2. "My contacts" Displaying contacts All contacts are listed in alphabetical order. Depending on the number of contacts, an A-Z search is offered A symbol i ...