During phone calls, the system would start making sparking noises and stall the calls. While navigation was input parts of the screen would disappear. While backing up, the rear cameras would freeze and stall. The rear camera freezing had caused us to get into an accident, and caused us to have 4 near misses. When I was trying to download the latest software release, the software download froze and never downloaded. I started to drive to the Tesla dealership and as I was doing so, the screen picture of my vehicle disappeared along with the gear shift indicator, the surrounding cameras failed. Then when I put on my turn signal, the sound disappeared. Then eventually the indicator disappeared. The entire screen froze with no information, and then went black while I was driving to the Tesla dealership. The system was black and finally did a reboot after 4 minutes, all while I had no display of my speed. I took it into the dealership, and the checkin girl was concerned about the safety and gave me a loaner. The technician was not really concerned and said it was not able to replicate the issue and said there was no safety issue as you can still drive the car. This is not correct as you do not have the speed indication when your screen freezes or goes black. I sent them pictures as the screen kept doing one thing after the other in a matter on one drive from my home to the dealership in 15 minutes. This is similar to the other recalls that Tesla had to make on the m