Evening all   I've just worked out that my 2011 Superb elegance alarm does not sound, looking around it seems that it possibly had a 5 year shelf life for the backup battery, but I can't find anything much confirming a replacement.   Looking at the octavia forum, it seems that 1K0 951 605 C is a widely used replacement part in the VAG family and the likes of aliexpress list the superb as a supported model (Aliexpress listing) on the same part......   I'll gladly tak