When I got my 2019 M3P, Tesla charged an extra $300 to have a mobile tech install the HomeLink system. In my previous MS, it was included. The system has worked very well. I see no evidence that the system is available for the Cybertruck. There is apparently, support for the MyQ system that...
I had spoken to a customer service rep who reported it was "in transit". I asked if this meant that it had left the factory. He replied that it had, but for me to expect a week or two before the car was ready for delivery.