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:

    Calibration
    The compass may need to be calibrated if, for example, the vehicle is driven into a new magnetic zone. The character C is shown in the mirror's display if calibration is necessary. 1. Stop the ...

    Removing and storing the cargo net
    Press the release buttons on the locks on the straps and pull out a small section of the strap. Press in the catches on the straps' hooks and remove the hooks from the eyelet. Fold u ...

    Erasing warning messages
    When a low tire pressure warning message has been displayed, and the tire pressure warning light has come on: 1. Use a tire pressure gauge to check the inflation pressure of all four tires. 2. ...