When the car is connected to the Internet via the car modem, Volvo On Call services will use this connection.
Fit a personal SIM card into the holder.
Press Settings in the top view.
Activate/deactivate by ticking/unticking the box for Car modem Internet.
If another connection source has been used in the past - confirm the option to change connection.
Enter the SIM card's PIN code.
The car connects to the network.