Absolutely the worst! Chargers never work and you always have to ring the office to have it resolved. Even then you have to do a song and dance to make it work - close all doors, bow to the King, open the app, eat a melon, click the charge button, build a sandcastle, plug the car in, read a book, wait 60 seconds... And then the office people tell you this particular unit is not compatible with the app...Fix it for god's sake!
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