Can anyone tell me if there is a specific locking fuel cap that I can get for my MG ZT CDTi ? This isn't for anti-theft purposes, but more for anti-daydreaming at the garage purposes - in 37 years of motoring, this is the first diesel vehicle I've ever owned, so I thought I would put a locking cap on, keep the key in the glove compartment with a label saying DIESEL
on it, to prevent any unfortunate accidents. I bought what I thought was a universal locking cap from Halfords the other day, but it wasn't - they only had a choice of two, and it appears that neither of them were suitable. Of course, just about everything you buy these days is hermetically sealed, so you have to break the packaging to find out that it doesn't fit, but they were very good about giving me a refund.