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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    Using the infotainment system
    If the infotainment system is on when the ignition is switched off, it will come on automatically the next time the ignition is put in mode I or higher and continue using the same source (FM1, ...

    Functions
    NOTE If a warning message appears while you are using the trip computer, this message must be acknowledged in order to return to the trip computer function. Acknowledge a message by pressing ...

    Unlocking/locking
    Unlocking 1. Insert the remote key into the ignition slot as far as possible. 2. Press the START/STOP ENGINE button. > A sound will be audible when the lock releases. Vehicles with keyless driv ...