they lie about the condition of the cars

On the 30th of July I purchased a foton thunda double cab pick up bakkie from zeebross,they informed me that the only problem with the bakkie was that it needed wheel alignment so I then agreed that I'll go thru with the purchase, but then when I went to roadworthy the man told me that not only is the speedometer not working but the two back shocks need replacing asap and also the two back windows were not working, and as far as I know the consumers act protects me the consumer, so I then contacted O'neel from zeebross and let him know what they roadworthy man told me, he then admitted it is his responsibility to fix it so he sent his mechanic to get the back windows working then suddenly starts avoiding me because he did not want to fix the speedometer as it is expensive and so he kept ignoring me and until this day it has not been fixed, his been very rude to me and flat out told me that I am very welcome to sue him. I've bought a car from him before and he was so very honest but this time around he took me for a ride. So disappointed in Zeebross