My three week old Tesla MS will not respond to any reboot sequence. I tried the following: 1. Hold down both scroll wheels for 15 seconds and longer 2. Hold down buttons above scroll wheels for 15 seconds and longer 3. Hold brake pedal down and repeat 1. and 2. 4. Hold brake pedal down and hold down all four buttons for 30 sec and longer Both screen (dash and main) are working fine. I wanted to reboot hoping that Navigation Update will show up. Firmware was updated a few days back to 10.12. Do I need to call SC? Thank you.