24 OB, 1 year on the road, ~7k miles.
I generally turn off ASS 80% of the time. During winter it did not work (yay) , but when it became warmer, it just occasionally worked.
I took to dealer for oil chg and asked them to check the battery. They said it was a little 'low' and they were charging...
There appear to be several sellers on ebay
https://www.ebay.com/itm/387820011338?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=dxwqaioeq4e&sssrc=4429486&ssuid=-lPCD65LRza&var=&widget_ver=artemis&media=COPY