Seat Leon >> Petrol additives

Petrol additives improve the quality of the petrol.

The quality of the petrol influences running behaviour, performance and service life of the engine. For this reason you should use good quality petro containing additives. These additives will help to prevent corrosion, keep the fuel system clean and prevent deposits from building up in the engine.

If good quality petrol with additives is not available or engine problems occur, the required additives must be added during refuelling.

    Petrol types
    The correct petrol types are listed on a sticker inside the fuel tank flap. Only unleaded petrol, corresponding to the standard DIN EN 228, may be used for vehicles with catalytic converters (EN = ...

    Diesel
    Diesel fuel must correspond to DIN EN 590 (EN = “European standard”). It must have a cetane number (CN) of at least 51. The cetane number indicates the ignition quality of the diesel fuel. No ...

    See also:

    Fitting location overview - heating
    Fitting location overview - components outside of passenger compartment - Exhaust ventilation for passenger compartment Check Removing and fitting - exterior temperature sensor ...