Kia Alberton ****** us

I'm writing this for the 2nd time,on the 29th i and my wife went to Kia alberton to search for a car and we were attended to by a salesman named Duncan Boya,who promised us to give us a good deal on a new 2020 Kia Rio.the special was R269 000,we gave him documents and my wife did qualify,he pulled a contract and told us that he was going to give us a great deal and smash and grabs was for free and it was gonna come out with a tracker,I told him we can organize ourselves car track,he said no,unfortunately this one must come out with matrix car track,ok he told my wife to initial and sign each page of the contract,without even explaining it to us,he then asked how much are we willing to pay and I answered him by saying less than R5000,he went to his manager and came ba k with good news that the installment was gonna be less than R5000,he then took my wife to the managers office by the name of Nisha,when I followed he said no,they only needed her alone for formality questions,she came back and I asked him to give us the copy of our contract which he said we will get it on the day of the collection 31st August,we said is fine,on the day of collection he said the contract wasn't ready when I asked him again,I kept on calling him the whole week until the 5th of September that's when I was fuming and making noise on the phone and he emailed it to my email address,when I read it,now the vehicle was R289 000 and read it further and found that it has a balloon payment of R90 000,and I called him very angry at him and he said my wife signed,I asked for a meeting which happened the following week.when we got there,Nisha the manager was too harsh on us and she said my wife signed out of excitement and we can go ombudsman if we want,after writing to MFC last time,she called my wife and promised to take us to court because we saying that they ****** us,which is true they did rob us big time.MFC please intervene as you are our finance on this vehicle?our contact details are as follows Vincent *** Milateko Eunice Maheso *** last time Robin called Eunice was swapped at work,please try to resolve this matter asap,thanking you in advance.