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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Listening to satellite radio
The Sirius satellite system consists of a number
of high elevation satellites in geosynchronous
orbit.
NOTE
• The digital signals from the Sirius satellites
are line-of-sight, which means that ...
New Tires
Remember that tires are perishable goods. As
of 2000, the manufacturing week and year
(Department of Transportation (DOT) stamp)
will be indicated with 4 digits (e.g., 1510 means
that the ti ...
Replacing batteries in the headphones
The headphones use two AAA batteries.
It is advisable to have extra batteries on hand
during long trips.
Battery cover and retaining screw
1. Unscrew the retaining screw and remove
the batter ...
