If you start tuning, then make sure you turn it off before bringing your car to the dealership.
It'll void any warranty.
Consumer rights are in a dire state. Reminds me of Toyota claiming someone voided their warranty by driving their racecar too fast[1].
[1] https://www.motor1.com/news/729265/toyota-gr-corolla-warrant...
> It'll void any warranty.
The Magnuson-Moss Warranty Act disagrees with you.