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:
About this manual
• Before you operate your vehicle for the first
time, please familiarize yourself with the
information found in the chapters "Instruments
and controls" and "Starting and
driving.&qu ...
Getting started
Use the controls on the steering wheel keypad and in the center console to access,
navigate and make selections in the hands-free system’s menus. ...
Accessory installation
• We strongly recommend that Volvo owners
install only genuine, Volvo-approved
accessories, and that accessory installations
be performed only by a trained and
qualified Volvo service technician.
...