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:
Child safety locks
Child safety locks in the rear doors
Manual child safety locks – rear doors/
tailgate
The controls are located on the rear door jambs
and at the lower edge of the tailgate. Use a key
or small s ...
Brake fluid reservoir
The brake fluid should always be above the
MIN mark on the side of the reservoir. Check,
without removing the cap, that there is sufficient
fluid in the reservoir.
Fluid type: DOT 4+ boiling poi ...
Activation
PAC is activated when the gear selector is
moved to R if the system is selected in the MY
CAR menu system or by pressing the CAM
button in the center console. See page 133 for
a description ...
