Methods, computer program products, and systems are presented. The method computer program products, and systems can include, for instance: obtaining user information of a vehicle driver user, the vehicle driver user being a user of a computer based system for managing a parking area; processing information of the user information; and outputting a communication to control an indicator system based on the processing, wherein the indicator system is provided as a fixture of the parking area and wherein the indicator system is configured to provide indications viewable by vehicle drivers driving within the parking area.