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:
Applying the electric parking brake
Parking brake control
1. Press firmly on the brake pedal.
2. Push the control.
> The symbol in the instrument
panel flashes while the parking bake is
being applied, and glows steadily whe ...
Air distribution
1 Manual air distribution—defroster
2 Manual air distribution—dashboard air vents
3 Manual air distribution—floor
The figure consists of three buttons. When a
button is pressed, the correspondi ...
Function
The system is activated automatically when the
vehicle is started. The indicator light in the button
in the center console illuminates.
• The front park assist system is active from
the time the ...
