The icons at the top of the screen display the type of cellular or Wi-Fi connection, as follows:
Connecting.
E (edge) mobile network connectivity.
2G mobile network connectivity.
3G mobile network connectivity.
4G mobile network connectivity.
No mobile network connection.
When the vehicle is connected to an external hotspot, a Wi-Fi icon is displayed instead of a cellular icon.
Depending on the network connectivity, some features and services, including Wi-Fi, may not operate as expected, or at all. A strong 3G or 4G connection is required.