The navigation and entertainment system freezes or restarts, and smaller electrical faults appear alongside it. The hourly rate for fault finding makes up the bigger part of the bill. A software update resolves many cases.
What to check
- Switch the system on and try everything: radio, Bluetooth, reversing camera, navigation
- Leave it running for ten minutes and watch whether it freezes or restarts
- Try it after a cold start too: the fault often appears then