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.
See also:
Erasing HomeLink Buttons
To erase programming from the three Home-
Link buttons (individual buttons cannot be
erased but can be “reprogrammed” as outlined
below), follow the step noted:
1. Press and hold the two outer ...
Interrupting automatic opening/closing
Automatic opening or closing the tailgate can
be interrupted in four ways:
• By pressing the button on the
lighting panel.
• By pressing the button on the
remote key.
• By pressing the butt ...
2012 Volvo XC60 Review
I had high hopes for the 2012 Volvo XC60. I recently (reluctantly) ended a long-term relationship with my own beloved Volvo, a C30, because it no longer fit my evolving family. Having recently added ...
