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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Replacing the high beam bulb (halogenheadlights)
1. Remove the rubber cover by pulling it off.
2. Pull the connector from the lamp housing.
3. Loosen the bulb's retaining spring by first
moving it to the right and then moving it out
of the way ...
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 ...
Disabling the passenger's side front airbag
Volvo recommends that ALL occupants (adults
and children) shorter than 4 feet 7 inches
(140 cm) be seated in the back seat of any
vehicle with a front passenger side airbag, and
be properly re ...
