You will get free WiFi in the car and by using this you can check emails, and surf the internet.
The car Range Rover has enough space in it. Along with 3 large suitcases, 4 adults can sit easily.
You will get fresh, purified bottled water in the car. It is no doubt quite appreciable service.
Child seats are available at 1 GBP. You need to do is to ask for the seat at the time of booking.