bought a smart fortwo.

i bought a smart fortwo from park view auto.<br> car seemed to be in good shape drove fine for the first month.<br> after that ive experienced cv joint problems.<br> the left cv joint keeps on pulling out. i had to repair the car 3 times.<br> i phoned the gerage and informed them about it.<br> they never came back to me.<br> the car has a warranty but no service book.