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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Roof loads
Using load carriers
Load carriers are available as Volvo accessories. Observe the following points
when in use:
To avoid damaging your vehicle and to achieve maximum safety when driving,
we ...
Automatic car wash
• We do NOT recommend washing your car
in an automatic wash during the first few
months (because the paint will not have
hardened sufficiently).
• An automatic wash is a simple and quick
way ...
Operation
The seats can be adjusted for a short period after unlocking the door with the
remote control without the key in the ignition slot. Seat adjustment is normally
made when the ignition is on and can ...
