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. Overuse ...

Opening/closing the fuel cap
Fuel vapor expands in hot weather. Open the filler cap slowly. After refueling, close the fuel filler cap by turning it clockwise until it clicks into place. CAUTION • Do not refuel with the ...

Safety
All-disc antilock brakes, traction control, side-impact and side curtain-type airbags, and Volvo's Whiplash Protection Seating System are standard. Dynamic Stability and Traction Control is option ...