Neglected by Weelee, they do not want to take accountability

I am so disappointed with the service I have received from this company; I bought a vehicle on the 27th of December 2024. This is a 2023 model, which is fairly new, I didn’t expect such issues. I have explained to them that when it is raining the passenger side on head rest gets wet there is some leak. My ask is that they assess the vehicle and rectify this, the sales guy said this matter has been handed to the after sales department which was early February. I can't get hold of the people he said I must contact, they never bothered to contact me regarding the issue after it was handed to them, it has been two months now. I know I bought a secondhand car but it's so unfair that once the deal is completed, they just neglect you like that, no sympathy shown at all. I am so disappointed...