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:
Range
The remote key has a range of approximately
60 ft. (20 m) from the vehicle.
NOTE
Buildings or other obstacles may interfere
with the function of the remote key. The
vehicle can also be locked ...
Key memory: door mirrors and driver's seat
The position of the side door mirrors and power
driver's seat are stored in the remote keys
when the vehicle is locked. The next time the
driver's door is unlocked with the same remote
key and ...
Recycling
As part of Volvo’s commitment to the environment,
it is essential for the vehicle to be recycled
in an environmentally sound way. Almost
the entire vehicle can be recycled and for that
reason, ...
