The governments "program" for people to trade in their junker car for a new one, this is what they are signing in to! They are basically GIVING the government (US and FOREIGN) to legally tap in to your computer, your files, your emails, your records, your EVERYTHING! Legal? SURE, you GAVE them the RIGHT to do it when you accept the program!
If you know of anyone who is about to do this, better warn them to kiss their privacy away!
Text of the Privacy Act & Security Statement at cars.gov:
“This application provides access to the DoT CARS system. When logged on to the CARS system, your computer is considered a Federal computer system and is the property of the U.S. Government. Any or all uses of this system and all files on this system may be intercepted, monitored, recorded, copied, audited, inspected, and disclosed to authorized CARS, Dot, and law enforcement personnel, as well as authorized officials of other agencies, both domestic and foreign.”