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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Re-installing the wheel
1. Clean the contact surfaces on the wheel
and hub.
2. Lift the wheel and place it on the hub.
Tighten the lug nuts
3. Install the wheel nuts and tighten handtight.
Using the lug wrench, tight ...
Glove compartment
The owner's manual and maps can be kept here. There are also holders for pens
and fuel cards. The glove compartment can be locked manually with the key blade,
see page 69. ...
Comfort
Comfort mode offers a somewhat softer ride
and the transmission shifts gears at lower rpm.
This mode is particularly suitable for long-distance
highway driving. The indicator light in the
butto ...
