2003 Volvo S80 digital clock issues
 

My 2003 Volvo S80 with 165k on it has developed a new problem. The digital clock will not stop advancing. While it is doing it, the AM or PM replaces the temperature reading too. I have done a reset using the odometer button but it did not work.

Occasionally, the other instruments flicker too, but mostly it is the clock will not stop running. Any ideas?