Tustin Hyundai will promise you that you will be greeted with excellent customer service and is your premier Orange County Hyundai dealer. Our service and repair center will take care of you when it comes to the performance and care of your vehicle. Tustin Hyundai will promise you that you will be greeted with excellent customer service and is your premier Orange County Hyundai dealer. Our service and repair center will take care of you when it comes to the performance and care of your vehicle.