Worse Auto service ever

I would like you to help me l have a problem I bought a Suzuki Swift 1.2 GL from Autopedigree at Krugersdorp and the salesman was Mr Malimba they never told me the actual price because I was desperate the installment was affordable I agree and along the way I got the statement from the bank telling me about the balance I was shocked and I phone the salesman he never answer my question now on the 25th of April the mobilizer key bettery got flat I went to the nearest hardware I got the same bettery I put it in and when I start the car doesn't wanna start and I phoned the the salesman and said I must put back the old bettery I did and the car do the same when I phone him back he doesn't pick up my calls and I phone the call centre the referred me to road side assistance and road side assistance send the technician to me the technician find that the car doesn't read the key after that they tow the car to the dealership on the 29th I phone the dealership they told me that they don't know nothing about the car while the salesman knows now they telling me that my car is at service centre from 29th up until now my car is not with me so I would like to tell everybody that beware of autopedigree thy are not faithful and I want answers from them mostly from the CEO of the company what are they doing to us Are they ****ming us?