Garage is refusing to refund me for a faulty car - whats steps should I take?

I bought a car from a garage, which I later discovered was faulty. I left the car with the garage for agreed repairs. No repair was done, so after 10 weeks asked for money back - to which they refused....

A bought a car that now needs repairs - and the dealer is refusing to pay. What do I do?

I recently purchased a Vauxhall Astra but within the first 24 hours the battery died and the rear left tyre needed replacing due to having a puncture beyond repair. The dealer paid for the tyre to be...