You can use ur debit card. Put the money into that account. Go over look at the car if you want to buy use ur pass card obviously they would have to be dealer and have card facilities and our bank had to be contacted for the funds to go through. It was easy enough. I also bought a car another time in the uk and brought over 7k pounds cash with me in a bag I wouldn't advise it it was a pain u would be very paranoid