2000 s-10 trip display resets

I have a 2000 s-10 and just recently the trip mileage display resets to 0 when I turn off the engine. It counts O.K. when driving but then resets without pusing the knob in.
total truck mileage is O.K. any ideas??
Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload
Check the fuses

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
<%-name%>
Add image file
Upload

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.