How do states use OBD II for emission inspections?

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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Infotainment mode buttons
Press a button to select a mode
1 - RADIO: use to select AM, FM1, FM2, SAT1*1, SAT2*1 2 - MEDIA: use to select
DISC, AUX, USB, iPod or Bluetooth*. 3 - TEL: Bluetooth® hands-free cell ...
Driving Impressions
The gentle but capable XC90 is solid and refined and handles more like a taut
European sedan. It reacts masterfully on twisting roads and functions with
precise control.
Expect a smooth and soli ...
Ski hatch
There is a hatch in the right section of the rear seat backrest that can be opened
for transportation.
Fold the right backrest forward.
Release the hatch in the rear seat backrest by sli ...
