Citroen C3 Aircross Chronic Radio Issues

I purchased a brand new Citroen C3 Aircross in November 2022. Since purchasing, I have been unsatisfied with the material quality, comfort, insulation, and sound performance. In the following days, I had problems such as radio noise, hissing, and crackling. I complained when I took it to Erdemir for routine maintenance in July 2023. They told me that this is a common problem in these automobiles, and that the radio is of poor quality, so I should use it as such. I complained to customer service. After six visits to Sarıyer Nev Oto, they were unable to resolve the radio issue. My new car's right rear taillight had water inside, so I drove back to Nev Oto, where they cleaned it and returned it. I complained again and was directed to the Yenibosna Mepa. Due to my efforts, the right rear taillight was replaced under warranty within forty-five days. I complained about the radio again, and headquarters contacted me. I mentioned the matter, and they advised me to take it to Esen Electronics for inspection, as I had complained about the radio thirty-two times. I once again left the car in Yenibosna Mepa. I had to pick up the car the next day since they couldn't figure out a solution. They told me to go to Esen Electronics. When I inquired about the location, they stated that they did not know and had alerted them; however, when I phoned them, I discovered that they had not been called or scheduled an appointment. When I arrived at Esen Electronics the next day, they admitted there was a problem with the radio and stated that the wire harness needed to be replaced by removing the ceiling upholstery, and the car would need to stay with them for a few days. I demanded a car replacement, but they refused and urged me to return the vehicle for repair. I stated that I would file a complaint with the Consumer Court and write about how they create poor-quality cars and do not stand behind their products. In short, Citroen Turkey does not stand behind their products. Customer satisfaction with the services is low. They do not answer the phone, do not tell you when the product arrives to the servicing location, and you cannot schedule an appointment. Whatever service you use, you will experience incompetent staff. I will notify the Ministry of Trade and even France about the situation via email. If the radio on a brand-new car with 12,500 kilometers on it fails to work properly, it is a manufacture flaw, and you cannot advise the customer, "Let us repair it."