Working with CAN bus
CANbus is a data line of vehicles, from which device can retrieve and send to server some useful information on a performance of vehicle.
Below is a video example of device installation to Volkswagen Tiguan, manufactured in year 2020:
After installation, device should be configured on FMSet to read and send data you want.
On other pages:
CAN bus scanning with FMS device
CAN bus scanning with CAN-analyzer