Here are some video tutorial links for you:
How to connect wireless Carplay:
https://drive.google.com/file/d/1o7UgjdZCWQbFmOv3OJ_JW6MLbFDr2ZU-/view?usp=sharing
Connecting to Wifi (need to exit Carplay first):
https://drive.google.com/file/d/1qMQL0bD4PcLN3xuXSgaaYS4xRonN_iiQ/view?usp=sharing
How to connect wireless Android Auto:
https://drive.google.com/file/d/11gMiYED2dhkTIqMZZ2YRwLKyixyF8cy0/view?usp=sharing
How to insert SIM Card, Connect Carplay/ AA (long video):
https://drive.google.com/file/d/1opNjL3n_dDZ6ZvwuemhQtwC9ieg1MOm8/view?usp=sharing
Please give us feedback if any of the above tutorials helped to resolve your issue...
Update: if you received your CP2D-4g and cannot connect to your stereo, please try to connect to your PC first:
https://carbotics.net/community/troubleshooting/troubleshooting-tutorials/#post-20
Also, please delete device history from you head unit. Then try plugging CP2D back in.
Thanks!