https://www.theguardian.com/technology/2019/nov/20/uber-record-rides-safety-brazil-mexico-us

Company hopes to bolster its safety record with feature for riders and passengers, to appear first in Brazil and Mexico

Uber will allow passengers and drivers in Brazil and Mexico to record audio of their rides as it attempts to improve its safety record and image, and eventually it hopes to launch the feature into other markets including the United States.