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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Calling a contact
The dialogue below enables you to call the predefined contacts in your cell phone.
See the phone's user's guide if necessary.
The user initiates the dialogue by saying:
Phone > call con ...
Rollover Protection System (ROPS)
Volvo’s Rollover Protection System utilizes the
Roll Stability Control (RSC) function, which is
designed to help minimize the risk of a rollover
in emergency maneuvers or if a skid should
occu ...
Windshield wipers/washers
Windshield wipers and washers
1 - Rain sensor* on/off
2 - Thumb wheel sensitivity/frequency
CAUTION
Use ample washer fluid when washing the windshield. The windshield should
be thoroughly ...
