2022 Chevrolet Bolt EUV Complaints

I installed four new Goodyear ElectricDrive 2 tires (P 215/50 R17) on my 2022 Chevrolet Bolt EUV on 05/08/2024 at Discount Tire in Round Rock, TX (Store #TXA 23). The tires were balanced as part of the installation. After six days of normal commuting, on 05/14/2024, the vehicle began experiencing significant vibrations at highway speeds 60 - 70+ mph. As a point of reference, the passenger side headrest was visibly moving back and forth due to the vibration. I took the tire back to Discount Tire and, after removing the tire from the wheel, they discovered that the SoundComfort noise reduction foam inside of the tire had come dislodged and was bunched up inside of the tire. The foam did not appear attached to the inside of the tire in any way. After the foam was removed and the tire remounted, the vibration was no longer present. What component or system failed or malfunctioned, and is it available for inspection upon request? The noise reduction foam inside of the tire came loose ins...

Firstly, day/night sensor failure caused failure in left front headlamp turn signal system. This was repaired successfully. Secondly, Airbag system failure that I saw was a common problem across many vehicles.

Our brand new car is giving us a “Service Safety Restraint System” warning. It constantly comes on and off over and over every minute or so and Chevy is saying there is nothing wrong with the car. Please help.