Same as Eccles but they should at least put enough in to get to a Petrol Station,I would certainly let them know how disgusted you are with their service.
Never thought about it beforehand tbh. The dealer has a petrol forecourt so we bought some then to get us to our nearest sainsburys! The salesman said he was embarrassed about the policy. As we are now better informed, will know next time but, flipping heck, the cost of the car in the first place ..............
On principal I would exercise my 14 day cooling off period (if you are paying on an HP basis, not sure what consumer rights are for full cash payments!), return it and find a different motor, nuts to them!
I always got a free tank of diesel when driving away, meant I left the dealer with happy thoughts so I'd go back there again when buying my next car. I'd always buy nearly new through a dealer based scheme like Network Q so I get a good bit of warranty but some other mug has taken the lion's share of depreciation, and then I'll keep the car until the wheels drop off and it's worth tuppence ha'penny and there's a deal going where I'll get a couple of grand trade-in for it.