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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Getting started
Voice control button on the steering wheel ...
Ski hatch
There is a hatch in the right section of the rear seat backrest that can be opened
for transportation.
Fold the right backrest forward.
Release the hatch in the rear seat backrest by sli ...
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,
weigh ...
