VW Touran manuals

Volkswagen Touran Owners Manual: Natural gas

First read and observe the introductory information and safety warnings 

Natural gas quality and consumption

Natural gas is available in two grades: H-gas and L-gas.

H-gas has a higher calorific value and a lower nitrogen and carbon dioxide content. The higher the calorific value of the natural gas the lower the levels of consumption.

The calorific value and the nitrogen or carbon dioxide values may, however, vary within one quality group. For this reason, the vehicle consumption may vary when using natural gas of the same quality.

The vehicle engine management will automatically adapt to the different natural gas qualities. Both natural gas qualities can therefore be mixed in the fuel tank. You do not need to empty the tank before refuelling with a different grade.

Safe handling of natural gas

If you can smell gas or think there may be a leak in the natural gas system  :

  • Stop the vehicle immediately.
  • Switch off the ignition.
  • Open all the doors to fully ventilate the vehicle.
  • Extinguish cigarettes immediately.
  • Remove items that could cause sparks or fire from the vehicle or switch them off.
  • Do not drive on if you can still smell gas.
  • Seek professional assistance. Have the fault rectified.


Ignoring the smell of gas in the vehicle or when refuelling can cause serious injuries.
  • Take any necessary action.
  • Leave the area of risk.
  • Contact the emergency services if necessary.

Have the natural gas system checked regularly according to the service schedule by a qualified workshop.

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