See also:

Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents, thickeners, or other store-bought additives to your vehicle's fuel, cooling, or lubricating systems. Overus ...

Tire inflation
Check tire inflation pressure regularly. See the tire inflation table on page 291. A tire inflation pressure placard is also located on the driver's side B-pillar (the structural member at the ...

Safety
The S40 has earned good crash-test scores from the Insurance Institute for Highway Safety. Specifically, it scores Good (the best possible) in frontal and rear impacts and Acceptable (one ranking ...