What size is the fuse for the demister in the citroen xsara 1.9 diesel?

The fuse for the demister in a Citroën Xsara 1.9 Diesel is typically a 30 amp fuse. However, it's always best to check the owner's manual or the fuse box cover for the specific fuse rating and location, as it can vary by model year. If you're experiencing issues, ensure the fuse is intact and consider looking for other potential electrical problems.