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:
Opening/closing the fuel filler door
The fuel filler door is located on the right rear
fender (indicated by an arrow beside the fuel
tank symbol on the information display )
With the ignition switched off, press and
release the ...
Bluetooth® menus
1. Call register…
1.1. Last 10 missed calls
1.2. Last 10 received calls
1.3. Last 10 dialed calls
2. Call register…
2.1. Search
2.2. Copy fr. cell phone
3. Bluetooth…
3.1. Change phone
3. ...
Parking lights
Headlight control in position for parking lights
The parking lights (the license plate lights also come on) can be turned on even
when the ignition is switched off.
Turn the headlight control to ...
