My friend got us lost on a road trip so had to backtrack for three hours through france, what do i do?

we were all on a road trip trying to get from birmingham to gueret in france and left one of our mates in the car to read the map and direct us there for the trip as they claimed to know how to read a map and could understand french. Problem was he managed to get us lost for about three hours and so we left him in... show more we were all on a road trip trying to get from birmingham to gueret in france and left one of our mates in the car to read the map and direct us there for the trip as they claimed to know how to read a map and could understand french. Problem was he managed to get us lost for about three hours and so we left him in cholet at the first service station we saw cause we were all that annoyed and then tried to get there without him which took another 2 hours to do leaving us all pretty pissed off and tired by the time we got there pretty much ruining the holiday. how do we get him to apologise?
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