When going through with the initial settings for the app, I was asked for permission to access my smartphone’s location data. Should I allow it? October 25, 2019 02:20 Updated This app cannot be used unless you allow it to access your smartphone’s location data. Please give the app permission to do that. Related articles How to call a taxi Why do I need to register my email address? About taxi fare When the message "The email address you entered has already been registered." appears "CAB CARD mobile payment" registration method