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:

    Starting the vehicle
    Starting the engine WARNING Before starting, check that the seat, steering wheel and mirrors are adjusted properly. Make sure the brake pedal can be depressed completely. Adjust the seat if ne ...

    Rear fog light
    1. Switch off the ignition. 2. Carefully insert a small screwdriver (see illustration above). 3. Pry out the lamp housing. 4. Turn the bulb holder counterclockwise and remove it. 5. Turn the b ...

    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. ...