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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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 but ...
Introduction
The laminated panoramic roof is divided into
two sections.
• The rear glass section is fixed in place and
cannot be moved.
• The front glass section can be slid horizontally
to the open or clo ...
Volvo On Call Roadside Assistance
Your new Volvo comes with a four year ON
CALL roadside assistance. Additional information,
features, and benefits are described in a
separate information package in your glove
compartment.
If y ...
