Manual Description
Make sure that the engine speed does not exceed the engine speed displayed, for example, when downshifting. When the ignition is switched on, several warning and indicator lights come on briefly for a function check. To help ensure long service life of the exhaust system and gasoline engine catalytic converter: Only use unleaded fuel.
Otherwise, gasoline could reach the exhaust system and get into the atmosphere. The catalytic converter could also be damaged by overheating! Under certain engine conditions, you may smell a sulfur odor. This depends upon the sulfur content of the diesel fuel.
The soot particles are collected and periodically burned in the filter at high temperatures (regeneration). The resulting heat can cause the temperature inside the engine compartment to increase. Volkswagen recommends frequently driving longer distances to help clean the filter.
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