Uber driver dash cam setup: what footage actually helps with passenger complaints?

A dash cam is one of those things I did not take seriously until I had a rider claim something that did not match what happened in the car. It was not a huge incident, but it was enough to make me realize that memory is not protection. The app has trip records, but it does not show tone, behavior, or what happened inside the vehicle. The setup matters more than just buying a camera. Front view he…