How do states use OBD II for emission inspections?

How do states use OBD II for emission inspections? - Emission inspection readiness - Maintaining your car - Maintenance and specifications - Volvo XC60 Owners Manual - Volvo XC60

Many states connect a computer directly to a vehicle's OBD II system. The inspector can then read "faults." In some states, this type of inspection has replaced the tailpipe emission test.

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    Scan
    This function plays the first ten seconds of each track/audio file. To start scanning: 1. Press OK/MENU. 2. Turn TUNE to Scan. > The first ten seconds of each track/ audio file will be played. ...

    Speed dial
    Speed dial numbers can be added in phone mode in Phone menu Phone book Speed dial. To use speed dial to make a call in phone mode, press a button on the center console keypad followed by OK/MENU. ...

    Range
    The PCC's lock and unlock functions have a range of approximately 60 ft. (20 m) from the vehicle. NOTE The approach lighting, panic alarm, and the functions controlled by the inform ...