A friend 2 weeks ago bought second hand car and on my advice bought it from a Main Dealer of the model involved with the usual warranty. I was asked to take a drive in it and i felt the brakes were slow to react. Brought it back to the garage and spoke to a mechanic who took it for a spin and said the brakes needed bleeding. When i spoke to the salesman he said he would immediately get it fixed and he eventually conceded that this should have been spotted before it was sold. While the garage is highly regarded my confidence is a little shattered. He assured that otherwise the car is top shape which it looks. Is there any other questions i should ask him?