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.
See also:
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 ...
Standby mode (temporary deactivation)
Press to temporarily deactivate
cruise control (put it in standby mode). The set speed, for example 55 mph, is then
shown in parentheses. The previously set speed and time interval are resumed by ...
Putting ACC in standby mode
Before ACC can be used to regulate speed
and/or the distance to a vehicle ahead, it must
first be put in standby mode.
To do so:
Press .
The symbol appears in the display
and
parentheses ( ...
