My 2023 Kia Seltos GT-Line's driver's seat might be faulty. What rights do I have under warranty?

I purchased a Kia Seltos GT-Line in April 2023. Late last year, randomly, the driver’s seat started moving on its own while driving. The dealership where I purchased the car looked at the vehicle and couldn’t replicate the issue so reset the driver’s seat. It was fine for 16 days and then the problem occurred again. I rang and emailed Kia Australia, and after a three week wait, another dealership looked at the vehicle, failed to be able to reproduce the problem and returned the car. Two days later, the problem occurred again. I contacted both the dealership of purchase, the dealership who last looked at the car and Kia Australia. I have an appointment set for a month’s time. My question is: what rights do I have under the warranty? If the dealership can’t replicate the issue and repair the seat, can I sell the car?