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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Cargo area lighting
NOTE
Before starting to replace a bulb, see
page 322.
1. Insert a screwdriver and gently turn so that
the bulb housing comes loose.
2. Replace the bulb.
3. Check that the bulb illuminates an ...
Audio/video playback through the A/VAUX socket
1. Switch on one of the rear screens by pressing
its On/Off button.
2. Use the remote control's button
to
select a screen (L: left rear screen, F: front
screen, or R: right rear screen). Poi ...
Visual indicator
The audio system’s display gives an overview of the vehicle’s position in relation
to a detected object.
The marked sectors in the display indicate that one or more of the sensors has
detected an ...
