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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    Range
    The remote key has a range of approximately 60 ft. (20 m) from the vehicle. NOTE Buildings or other obstacles may interfere with the function of the remote key. The vehicle can also be locked ...

    Removing the cover
    1. Press one of the end pieces of the cover inward. 2. Pull the cover carefully upward and outward. The other end will release automatically from its retaining bracket. ...

    Temporary Spare
    Spare tireThe spare tire in your vehicle is called a "Temporary Spare". Recommended tire pressure (see the placard on the B-pillar or on the fuel filler door) should be maintained irr ...