Be careful when running down to 0 if you have not done it before and keep a can with spare fuel in boot just in case as some cars run out of fuel before reaching 0, some shortly after reaching 0 and some like mine can do another 30 miles while showing 0 and still not run out.
When I get new car I always run down to 0 and beyond as much as I dare with a can in boot just to test how far can it go to know the limit for the future. Not on diesels though as I do not fancy bleeding a system in the middle of road.
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