This past Friday, the latch on my driver's side door died, leaving me away from home with a door that refused to latch shut. Luckily, I wasn't too far from home, and the danger was minimized, but even that two-mile drive was disconcerting, with the door wanting to swing out on every right-hand turn. (Damn you centrifugal motion!) This was the second time that latch failed, and a supposedly redesigned latch had been installed on both front doors. Given the safety issues, Tesla had the car towed to its SF service center. (I didn't even know that existed, been open a month they told me.) The service rep told me that mine was the second X that weekend with that problem, and that Tesla had issued a service bulletin on it with an even newer latch design. They went ahead and swapped out both the broken one, as well as the passenger-door latch. Hopefully, this is the last I ever have to worry about this. I had the car back early Saturday afternoon. I write this not to complain (I'm an avid early adopter, this stuff doesn't bother me), but to warn. Depending on how old your X is, you may have an old-model latch, and having it die when away from home is incredibly dangerous. It should be a recall item, to be honest. So you might want to check in with your service center about getting your latches replaced, or if your car is in for other reasons, see if they'll swap out then. Like I said, the service rep told me there is a service bulletin out to service centers about the problem, so it shouldn't take much convincing on your part to get it fixed.