If I buy a £10,000 car with a credit card and decide it is faulty, who resolves this issue as I can see that becoming quite complicated. I ask as I bought my last one with a debit card to which the rules do not apply. That had a few problems but fortunately I was able to resolve these amicably with the dealer.
"If I buy a £10,000 car with a credit card and decide it is faulty, who resolves this issue"
You don't decide whether or not a vehicle is faulty - it's obvious. If it is, the seller of the vehicle is liable to you in law, and you would only seek to invoke the section 75 protection if attempts to get the seller to remedy the problem have failed.
Section 75 protection only applies to credit purchases up to £30,000. After that you are not protected.
It doesn't all have to be funded on the credit card. You can pay £100 on the card and pay the rest via any other means, the credit card is still jointly liable. With cars, it's more complicated as there are some items that can be deemed wear and tear - like clutches, brakes etc. If it is declined as a fault by the manufacturer/dealer/warranty company, this doesn't mean that the credit card company is bound to agree to be responsible for it.
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