What's best to use on new panels

Hello people off the club, quite excited after months of welding my GTI is finally finished, it had been stood for years before I bought her so, It just went straight to the workshop to have its new panels and holes sorted out, but now that they are done I want to drive her about for a bit once moted and see how she is mechanically before it goes in for a full respray, so my question to you guys is is there anything I can use, as in. Aerosols to protect the new panels before she gets the full respray, as I would want to drive her about for a few months making sure it's fine mechanically, all help appriciated 

Whatever you put in will need taking off for paint so kind of counter productive 

Agree with Brad. If your panels are in factory primer just leave them, If there is bare metal I'd use a zinc primer on those areas. You could even buy the stuff in a tin and brush it on thick!!

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Thanks for the reply guys, they are in factory black primer, but I seem some cars that the black primer has peeled away and rust appearing, could I cover the black factory panels In the zinc primer to for added protection, and what will be better a brush on or a aerosols, don't really fancy getting the rust back again now that it's sorted, this zinc primer seems a good idea I think i should get the body shop to zinc primer the whole car before the main top coat, when I sent her to get painted 

An epoxy primer might be your best bet as I believe its not porous although will take a while to dry in this weather., other primers are porous, so the top coat adheres, therefore not water proof. It depends how long you plan on driving it and in what weather conditions.
It'll probably have to come off to be painted any way and a DA sander will remove any light surface rust that has formed.
if you do use a standardish  primer then get some kind of top coat on - even if its just from a t*at (rattle) can to seal it.

I wouldn't put a zinc/zinc rich primer on as it is designed to go over bare metal and bites into it, the original cataphoretic coating on the panels is sufficient for now. As an added protection for what you want it would be better to apply some colour to it remember though this is more work at the bodyshop later

I see, I'm planning on driving around for 2-3 months, the way it is before handing it in to the body shop, so where the factory primered panels are it's ok to do a top coat and where it's metal it's best to put epoxy primer and top coat, and if bare metal then zinc primer for the job, lol I'm learning