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.

    See also:

    BRAKE – Brake failure warning light
    If the light comes on while driving or braking, stop immediately, open the hood and check the brake fluid level in the reservoir. Canadian models are equipped with this warning light. ...

    Automatic locking
    When the vehicle starts to move, the doors and trunk can be locked automatically. This feature can be turned on or off by pressing MY CAR and going to Car settings - Lock settings - Automatic door ...

    Getting started
    Use the controls on the steering wheel keypad and in the center console to access, navigate and make selections in the hands-free system’s menus. ...