It is not right?

Hi...not much sure if this is a review or cry for help. I had bought a new Renault Kwid in April and I have never felt so unsafe in a car.In the first month the car was vibrating and I found it difficult to park and there was a vibration on the accelarator pedal when I drive speeds in the high seventies and eighties.touch screen did not work and a new unit With my brother in the car a sensor went off at 1 time which both of us did not know what the reason for it was. The alignment was fixed but I still experienced the vibration coming from the pedal and also the wheel starting to shake again and the car not parking straight. I could hear a sound coming from the wheel when I drive . There was also a oil smell coming from the vents and the back door seemed not to close properly. The touch screen was not working and I could not use the radio or any other featureit as the part needed to be ordered from France and got replaced in July. In this time of all this happenings ,I had really become do scared driving in the car and I expressed that I didn't want this car because I felt unsafe for myself and others on the road. I was offered a demo Kia as I was told that the car depreciated from 150 000 to 105 000rands and was offered a (courtesy) demo Kia which was apparently worth 150 000, leaving me with a shortfall of 45 000 to pay. I had made a cash payment for the car and don't have cash anymore and I don't think that I deserve a new car . This this car was suppose to give me some peace of mind for some time and to get me safe to work and on time. When I didn't accept the offer the Kia was sold to another person and the car was fetched at my workplace because the new owner was fetching it at 2pm.The Renault was brought to my workplace at this time,where I had to sign for the unit that was replaced and it it said that they find nothing wrong with the car. I refused to take the car and it went back to the dealer. I had lodged a complaint with the Motor Industry Ombudsman. I received communication today from them that the respondent detected no faults. I am instructed to fetch the car. How do I get into a car that I feel unsafe in? How do they experience what I experience when I drive. I drove the car from the beginning when I could hear and feel the harshness of the gears changing ( automatic car) to where it became fairly smooth. I have been without private transport. I can access my work via bus but it is impacting other aspects of my life. The other day I had to use a bus and 3 taxis to get to my destination. It is impacting my family life, my social life ...I trusted ,I handed over my money...Why would these people not think that I am deserving ...do they know me ...do they know my challenge s to be able to invest in a new car? Do they care? Would they care for any of their family members to be in a car that they don't find safe and have peace of mind?..