Do not spend your budget, no matter how much pressure you get from the dealer.
It will show what is covered in terms of aftermarket stereo systems, all conversion components, tires, and covering them.
Ultimately, you, as a buyer should take responsibility to choose and live with the warranty program used car of your choice.
The offer of the brand or manufacturers or replacement depends brand dealer.
Hyundai has become a car manufacturer on the rise on the last few years.
The most important thing is to do some research first if you decide to install this technology on your car.