"Tra cứu phạt nguội ô tô" is a mobile application designed to help drivers easily look up traffic violation information related to their vehicles nationwide. The app provides updated results on traffic fines from the "Electronic Information Portal of the Traffic Police Department." It allows users to check for traffic violations such as speeding, lane infractions, and failure to obey traffic signals on national highways, expressways, and urban areas.

This application's main features include searching for vehicle license plate traffic violations, accessing detailed information on fines and traffic violations, providing data like violation time, location, offense details, and the issuing traffic authority, displaying the number of violations, and supporting a direct link to pay fines online.