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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All Wheel Drive – AWD
Your Volvo can be equipped with permanent All Wheel Drive, which means that power
is distributed automatically between the front and rear wheels. Under normal driving
conditions, most of the eng ...
Exterior
The S60's lines make the car so much more modern and beautiful than the
average sedan. I especially love the look of the S60's rear end. The taillights
follow the lines of the trunk lid and keep t ...
Fog on the inside of the windows
The defroster function should be used to
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Keeping the windows clean with a commercially
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