2022 CHRYSLER 300 Service Brakes Problems

I am concerned that a possible safety issue, such as brake failure, with the brake system has gone unrepaired for the past two months. Issues: 1. There is an obvious safety problem with the brakes. 2. The dealer, Chrysler/FCA/Stellantis are not able to repair this problem. The vehicle is available for inspection anytime. We purchased this vehicle brand new on March 31, 2022. The brakes shudder every time upon application especially when going down hill or during a deceleration from high speed. It becomes worse as the brakes heat up. This problem may have always been there but has become worse. The manufacturer's dealer (we bought the auto from this dealer) reproduced the shuddering on September 7, 2022. The service writer stated that brake rotors would be replaced under warranty. Two months later, both the dealer and Chrysler Customer Care claim that the rotors are not available. No date for...