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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Three interior levels
The following interior levels are available for the Volvo XC60:
Full textile - a combination of two different textiles and available in
Off-Black or Soft Beige.
T-Tec and textile - available in A ...
Low beam, Halogen
1. Remove the headlight housing from the
vehicle (see page 322).
2. Remove the cover over the bulbs (see
page 323).
3. Unplug the connector from the bulb.
4. Remove the bulb by pressing the h ...
General information
Warning symbols in the instrument panel
As an enhancement to the three-point seat belts, your Volvo is equipped with
a Supplemental Restraint System (SRS). Volvo's SRS consists of seat belt p ...
