Fault symptoms are available for the following problem groups
- Telephone operation (insufficient voice quality, poor reception quality...)
- Bluetooth pairing and connection
- ConnectedDrive, TeleServices and online service
- Telephone functions (phone book, contacts, SMS text message, expanded functions...)
- Charging the mobile phone, snap-in adapter
- Repair, programming, maintenance, pre-delivery check
- USB functions
- iPhone and iPod
- Active Voice Recognition (if installed)