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:

    Interior rearview mirror
    Auto-dim function An integrated sensor reacts to headlights from following traffic and automatically reduces glare in the mirror. ...

    Tire sealing system–overview
    Speed limit sticker On/Off switch Electrical wire Bottle holder (orange cover) Protective hose cover Air release knob Hose Bottle with sealing compound Air pressure gauge ...

    Power seat
    Operation Driver's seat: The seat can be adjusted if the ignition key is in position I, II or if the engine is running. It can also be adjusted as follows with the ignition off: • Within severa ...