Carminat TomTom isn't showing the time

Update: This issue has now been resolved.

Note: If you still see -- : -- instead of the time, your Carminat TomTom device has no GPS reception. Try the following: 

Reset Carminat to factory settings

1. From the Main Menu, tap Settings.
2. Tap Reset factory settings. 
3. Tap Full Reset.

Soft reset Carminat

1. Switch off the car engine.
2. Remove the memory card.
3. Re-insert the memory card
4. Wait 30 seconds.
5. Switch the car engine on again.