[TQA]

About the only thing WD-40 is really good at is cleaning. It will take off adhesive goo, and black marks off of fiberglass too. Just be sure to clean it off afterwards.

Ahh but back when I were a lad on the tools in Scotland I would often be called out to Mini which had come to a halt on a wet day.

Lift the bonnet, give the electrics a wee skoosh and it would fire right up.

I admit with a little shame to selling my 'only' can for 10 times it's shelf price to punters who had just seen the magic restart trick on quite a few occasions.