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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    Manual connection
    To connect a phone other than the one that was most recently connected or to switch between cell phones that are already paired with the hands-free system, go to Phone menu Change phone. ...

    Ignition mode 0
    - Insert the remote key in the ignition slot and press it in as far as possible. ...

    PARK BRAKE Parking brake applied
    This light will be on when the parking brake (hand brake) is applied. The parking brake pedal is located on the left side of the driver's footwell, see page 79 for more information. Canadian mode ...