S80 T6 Executive L6-2.8L Turbo VIN 90 B6284T (2001)
Fold the carpet (1) out of the way.
Remove the insulation panel.
Cover the area (2) around the cover and between the doors with absorbent material.
Caution! Ensure that there is no risk of dirt getting into the tank.
Removing the cap over the left-hand level sensor