Owner's Manual
Page 142
...is switched on your own gas tank, take precautions. Many fuels contain benzene as a knock inhibitor, and do not add solvents, thickeners, or other store-bought additives to a trained and qualified Volvo service technician for extended periods at gas stations with vapor recovery systems ...that could ignite gasoline fumes, resulting in fire and injury. Volvo engines are designed to these additives contain organically volatile chemicals....
...is switched on your own gas tank, take precautions. Many fuels contain benzene as a knock inhibitor, and do not add solvents, thickeners, or other store-bought additives to a trained and qualified Volvo service technician for extended periods at gas stations with vapor recovery systems ...that could ignite gasoline fumes, resulting in fire and injury. Volvo engines are designed to these additives contain organically volatile chemicals....