I got my car fixed in a tesla approved body shop due to rock damage. Windshield broke and dented hood and nosecone. It was a 30k job. When i brought the car everything was working then now the body shop is telling me the screen is not turning on. They said they can't do anything, so they contacted Tesla and tesla said that the MCU has reached its life expectancy. I am appalled hearing that our six figure cars won't even last 4 years. This is what the body shop told me they did. The body shopped put it on service mode and drove it. Tried to remove it from service mode because its slow, screen froze. Reseted the MCU hasn't turned on since. of course the body shop is washing their hands on this that they didn't caused this, and i am stuck with out a vehicle now for a couple of months. I tried speaking to the service center since i am out of warranty i have to shell out the cash. Since i bought and will be paying for the new MCU, I asked if i can keep the old one. They said i can't since its a proprietary??? What does that mean? I paid for it. I appreciate any advice on how i can go with this. I do not feel right that the MCU would fail not even 4 years owning the car. I asked the device center for advice, what did i do to cause this? they said nothing. What can i do to prevent this from happening after i replace it? Again NOTHING. If i stop driving the car which i love driving will it stop it from happening? NO this is so appalling after i evangelized people to Tesla. I feel really screwed here. This car seem like a money pit right now. This year my car has been in the shop for a total of 5 months encounting racking up a bill of 40000 encounting.