No they would not know it.
No, I don't think so.
The procedure of updating the wireless TCD should be described in the Mission Control. In short:
- You depress the Left button on the TCD for 10 seconds
 
- Clock (12/24 hours). Depress L+R simultaneously
 
- Minutes. Depress L+R simultaneously
 
- Hours. Depress L+R simultaneously
 
- Units (Metric/Imperial). Depress L+R simultaneously
 
- Pair bike? (y/n). Depress L+R simultaneously
 
- Pair HR? (y/n). Depress L+R simultaneously
 
- Update? (y/n). Depress R button until Y starts blinking. Depress L+R simultaneously.
 
Now: Start Mission Control and let the app connect to your e-bike. Go to Diagnostics. Go down to Turbo Connect Display Update. Close the information box. Let Mission Control update your TCD.