After hours of research, I found this guy on YouTube which has helped several people resolve their WiFi connection in their Chevy/GM vehicles. This worked for me as well. I had trouble getting on the internet and opening apps but now I can.
The fix is simple!
Remove the negative from your battery for 30 seconds. This is similar to rebooting your modem inside your house. Attach the negative back on and you should be good to go.
