[s-cars] Odometer just stopped working

[David Forgie]

The C4 instrument cluster has no cable connection to the transmission. It's all electronics up to the instrument cluster. Inside the cluster the signal goes to the speedometer and 
the odometer. Mechanical odometer in the case of the UrS4 and 95 UrS6. Inside there there is a little gear: 

http://audi.humanspeakers.com/images/odometer12.jpg 

This is how fixing it was described by Huw Powell: 

http://audi.humanspeakers.com/odometer.htm 

Good luck. 

Now we know why it is suggested to only reset the odometer while the car is stopped. 

Dave F.