general problems of the 2017 GMC Sierra 1500

The contact owns a 2017 GMC Sierra 1500. The contact stated that while attempting to start the vehicle, the defrost was turned on, but the defrost failed to function as intended. There was a loud pop, and there was brown and yellow smoke in the rear of the vehicle. The contact turned off the defroster. The vehicle was driven to the shoulder of the roadway. The contact exited the vehicle and inspected it. The contact stated that the rear driver's side sliding glass was fractured. The vehicle was not diagnosed or repaired by an independent mechanic or a dealer. The manufacturer was not made aware of the failure. The failure mileage was approximately 90,200.