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:
Reporting safety defects in the U.S.
If you believe that your vehicle has a
defect which could cause a crash or
could cause injury or death, you
should immediately inform the
National Highway Traffic Safety
Administration (NHTS ...
Volume control
Turn the knob (2) clockwise or counterclockwise
to raise or lower the volume. The volume
control is electronic and has no end position.
Volume can also be raised (+) or lowered (–)
using the ste ...
Automatic locking
When the vehicle starts to move, the doors and
tailgate can be locked automatically. This feature
can be turned on or off by pressing MY
CAR and going to Car settings
Lock
settings
Aut ...
