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:
Muting
Audio for the rear screens can be muted from
the front center control panel. This function can
be activated under RSE settings
Mute as
explained in points 2-4 in the section "Selecting ...
MY CAR
When the MY CAR symbol has been selected,
the following menu alternatives are displayed.
• My XC60
• Support systems
• Settings ...
Inflation placard
Tire inflation placard
Check tire inflation pressure regularly.
A table listing the recommended inflation pressure
for your vehicle. A tire inflation pressure placard is also
located on the dr ...
