This app has 2 main failures. After you book a car, it disappears off the map, there is a link in the bookings section to google maps to find your car but it doesnt work, you have to remember where you booked it otherwise you cant find your booked car.
Second failure is that it never centers its map to where you are, just the last location you were using, so you always have to find yourself on the map every time to see cars near you.
I downloaded another app called C2G instead, it seems to work much better, without those 2 failures and it also tells you how many free spots there are in the designated parking spots too.
tnology about car2go App PRO, v4.3