How do I remove my Ford Mondeo's oil filler cap?

I have a Ford Mondeo and I can't remove the oil filler cap. I've tried everything, twisting it both ways, left and right, pulling and pushing as I twist, but it won't budge. Any suggestions?

I can't ever remember any difficulty with these, so if you have tried everything you can think of take it to a small garage and see if the friendly mechanics there can help you. They will at least know how it fits.

Answered by Honest John on 3 September 2010