See also:

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 ...

Quality and equipment
In line with Volvo's commitment to quality and the environment, all interior trim materials conform to the internationally recognised, ecological Oeko-Tex standard, and are emission-free to reduce ...

Neutral position (N)
No gear is engaged and the engine can be started with the gear selector in this position. Apply the parking brake if the vehicle is stationary with the gear selector in position N. ...