You could open it up and have a go. They are about $10 here in Aus, so no great cost if you stuff it up. Its more likely to be a frozen cable though. 😉
I'd like to open it up, but can't figure out how. I've been to the SRAM site, but they don't show the internals of the thing. It seems that it's a sealed unit (the clickbox), but I at least have to disconnect it from the cable if I want to replace the thing. But HOW? :eek: