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:
Unlocking the doors with the detached key blade
Insert the key blade as far as possible in the driver's door lock. Turn the key
blade clockwise approximately one-quarter turn to unlock the driver's door only.
NOTE
After unlocking t ...
Crash mode
Crash mode ...
General information
Adjusting the seat belt
Seat belts should always be worn by all occupants
of your vehicle. Children should be properly
restrained, using an infant, car, or booster
seat determined by age, wei ...
