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:
Locking or unlocking the vehicle with the key
blade
Keyless drive keyhole cover
The driver's door on vehicles equipped with
keyless drive can be locked or unlocked with
the remote key's detachable key blade if necessary,
see page 61 for inform ...
Crash mode
Crash mode ...
Volvo programs
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 packa ...
