Since I bought the car the tripometer wouldn't reset. I finally got round to taking the speedo apart to see what was going on.
The little catch that the reset button is supposed to press on has broken off. I tried super gluing a bit of plastic in its place and managed to file it down to the perfect size but the glue wouldn't hold if for more than about 5 resets.
I can get a second hand speedo on eBay for about 20 quid and just swap that little bit over but has anyone got any other ideas on how to fix it?