Adaptive Equipment problems of the 2014 Toyota Camry Hybrid

I paid modern Toyota a lot of money to add navigation system in car they put a third party system in car last Sunday I was in the car and letting a lady pass with shopping cart the mic of third party system melted the whole assembly on roof where the glass holder and lights are fall on lap I got shock and hit the gas I hit the shopping cart and lady fall to ground that made a dent in front fender of car I went to Toyota told them I paid a lot of $ for system and they need to replace this with factory with built with bluetooth and navigation and the dent they refuse to do so I told them my family travels in that car what if I was traveling on highway and that happen they didn't care about my safety or my families I call Toyota they are buying time so I can't take action against them, I need justice I am paying a lot of money for this car if they won't fix it then I need $ to fix it my self.