VW Mccathy gezina is run like a ****a shops, they sold me a car that was not registered and tested for roadworthy

I bought a car at this dealer in 2018. I was charged R2500 for licensing and disc. I had informed the sales person there JP Greef that I would like to keep the registration as GP and he informed me he will sort it out. The license disc in the car had no expired so I never worried. When I had to renew the disc this year, I found out I had to start from road worthiness to the registration as the car was not registered and no roadworthy test was done. Contacted the sales person and he said he will refund me to this day nothing. The car was financed so it means I have been paying interest on license and disc which was not done. He firstly claimed he did not charged me for the license and disc, until I told him he did. Whoever want to buy a car, stay away from this dealer for your own inner peace. Even when I contacted the guy is unbothered as there is no consequence management applicable to him