FOURTH AMENDMENT violation big time. Unreasonable Searches And Seizures.
Unless you are arrested, they cannot extract anything from your phone without a warrant.
Pretty sure Justice Department might investigate.
Also turn your phone off if pulled over by cops.
'The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized.'