Wow, this will be quite a list but only related to one system...My Ford Touch. I have had problems with My Ford Touch since I bought the vehicle. I took it to Florida on a trip and the Navigation System (named Donna) could not find ANYTHING. We would likely find the destination before she would. She would flat out take us the wrong direction (away from the destination). In the middle of a foreign place (to us) during route directions, Donna turned off and we got the "Performing System Maintenance" which took about 5 minutes to complete while we had been trying to follow navigation prompts. I told the dealer when I got back, and they upgraded the system.
I then had problems with the Navigation System again. It would say "Navigation Fault" even when the system was not in use. When I turned my car on, the music would also blare at the highest level and/or change the audio input. Sync would also be inactivated for the first 5 minutes of my drive (I'm assuming to load everything). I would push the button and the music would turn off and then come back on again. 5 minutes in, she would tell me to say a command, and then it would actually work correctly. The "Performing System Maintenance" would also appear from time to time.
I got another update to the version I'm on now. After the last and newest update, it worked flawlessly for a month or so (with the exception of the Sync lag when I turn the car on) until the last couple weeks. My system won't shut down correctly when I turn the car off. Instead of the white screen with the Ford emblem coming on, the screen just simply turns off and goes black from the Home screen. When you start the car the next time, the screen is frozen on the Home screen where you can't push any buttons. When it's in this state, the radio is also off (and won't come on). When you reverse, the Home screen stays on and will not show what's behind you while backing. This happens about 2 to 3 times out of 5 when I start the car, so I just left. 5 minutes down the road, the warning that I don't have a navigation card inserted into the system comes up. So, to be sure, I checked the card. I took it out and put it back in. Then it said "SD card fault". After turning the car off and back on again, it then said that my navigation system was fully functional. When I got back, I got the dreaded "Performing System Maintenance" screen again.
From time to time, I still have problems with not having audio regardless of what the screen is doing when I turn the car on. I also still continue to have problems with the Sync system at startup. I continue to have problems with the input switching to another device when I turn the car on. Sometimes, my phone won't connect when I turn the car on. If I'm on a phone call when I start the car, the phone call will transfer to the vehicle speakers, but the car won't take full control and doesn't recognize that I'm on a call. When I go to hang up, I have to let the other person hang up to end the conversation or use the actual phone to hang up. I can't do it with my usual button on my steering wheel.
At this point I don't even know if I have the latest update but am considering taking the car back to the dealership yet again to have this looked at. This car was $43,000, and I'm a little perturbed that I continue to have problems like that. I have had a couple of other problems (fitment of ground effect on one side, broken trim on driver side seat) which have been rectified, but those are no big deal.
I do have to say that I still absolutely love this car. I'm willing to keep trying with My Ford Touch because I'm still grateful to have it and there is no other product like it on the market. It is an amazing system. I just wish it hadn't been rushed to the market and I wonder about how beneficial it's been for Ford to work with Microsoft on this project. It seems like everything Microsoft touches is crap. I wonder that if they had worked with Apple, would these same problems exist or would they have been fixed before MFT was released? PLEASE fix these problems and make this car and this system unbelievable!