worst service ever , i feel ******

worst service ever , I feel ****** !!! i bought brand new car tiggo 7 pro and i have had endless problems, and the service from one sales man and manager is pathetic, i have callled numerous times and i have sent the car in for repairs (brand new car) still the fault is not fixed . they are failing to give me a new car they keep sending me back and forth and yet i pay every month ! !!