Owner's Manual
Page 103
...the fuel filler cap is not closed tightly or if the engine is running when the car is dependent largely on a leak- (thousand km) (12) (24) (36) (48) (60) (72) (84) (96) (108) ... level - The fluid should be checked weekly by the driver (it takes only a few minutes): Engine oil level, brake fluid level, radiator coolant level, operation of the fuel system to contain hydrocarbons is refueled, ...") may indicate a fault. The following should be carried out at owner request. Use only Volvo original or approved fuel filler caps. The cartridge should also be replaced more often when driving ...
...the fuel filler cap is not closed tightly or if the engine is running when the car is dependent largely on a leak- (thousand km) (12) (24) (36) (48) (60) (72) (84) (96) (108) ... level - The fluid should be checked weekly by the driver (it takes only a few minutes): Engine oil level, brake fluid level, radiator coolant level, operation of the fuel system to contain hydrocarbons is refueled, ...") may indicate a fault. The following should be carried out at owner request. Use only Volvo original or approved fuel filler caps. The cartridge should also be replaced more often when driving ...