Complaint

Please help me JAC ****** me and the dealership failed me I bought a car last year May 2024 brand new car and the car doesn’t start they said it’s a battery I have to buy new one how possible it is in SA to have a battery who expired early as before 18 months from the company or brand most of the batteries took 3 years to change it but this one it’s 1year I am angry and stressed please help me to solve this problem.