A study found that 97% of US drivers want a well-designed in-car payment system for tolls, parking, charging, and refueling.Simplicity is crucial, as users lose interest if the app is difficult to register or use.Seven in 10 participants expressed a desire to receive guidance when entering billing or credit card information into the app.77% of respondents preferred to register for in-car payments at home via phone or computer, rather than at a dealership.