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 bulbs
When replacing bulbs, keep the following
points in mind:
• Never touch the glass of bulbs with your
fingers. Grease and oils from your fingers
vaporize in the heat and will leave a deposit
on t ...
Driving distance on current fuel reserve
This function shows the approximate distance
that can be driven on the fuel remaining in the
tank. The calculation is based on average fuel
consumption during the last 20 miles (30 km)
of driv ...
General information
Location of the side impact (SIPS) airbags (front seats only)
As an enhancement to the structural side impact protection built into your vehicle,
it is also equipped with Side Impact Protection S ...
