NHTSA Complaint #11431863 — 2015 CADILLAC SRX

I have been having issues with my vehicle stalling and trembling. The Stabilitrak message, check engine light, and service traction control message has turned on a couple times when starting the car. On Aug 9th, I received a letter in the mail stating that my car has a safety recall. The same day I called the Cadillac dealership where I bought the car and scheduled an appt to check these issues and advised about the recall letter I received. The dealership scheduled an appt on Aug 31st. On the 31st, I dropped the car off and left it there for two days. On sept 2ns, I called to check on the status of my car, when the service assistant advised that they did not have the part and have to order it and they do not know when they are going to receive it. Nothing was done to my vehicle. I asked if I can leave my car at service and get a loaner and they said they were not lending out any vehicles due to the pandemic. I live 1hour from the dealership. I have been driving for almost a month around with a vehicle that's not safe. The recall letter clearly states that if this vehicle is driven , it can result in a crash. It also states that the parts to repair the vehicle are not currently available. I am not sure what to do or who to contact in this matter as I do not have another vehicle I can rely on. Please advise.