Although they have a phone and internet there is no guarantee the gps is working/on. I've had an uber that took a long time to arrive due to incorrect gps and t

Although they have a phone and internet there is no guarantee the gps is working/on. I've had an uber that took a long time to arrive due to incorrect gps and then I had to give them directions on the way, they must have been using wifi/cell tower positions as the location on the phone was wrong and jumping around.