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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Automatically folding down the rear seat’s outboard head restraints
Automatically folding down the rear seat’s outboard head restraints
1. The ignition must be in mode I or II.
2. Press the button to lower the rear head
restraints for improved visibility.
NOTE
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Inside the cabin
Drivers and passengers can experience the agile new chassis in complete
comfort thanks to the spacious and refined cabin. The interior of the new Volvo
S60 has been designed with driver-oriented d ...
Ignition mode functions
The various ignition modes are accessed with the remote key in the ignition slot1.
...
