| 摘要 |
A motor vehicle comprises an exhaust gas retreatment system, wherein an additive is injected into an exhaust gas flow of a combustion engine (5) and a vehicle operation or engine start can be influenced by a control unit as a function of a filling level of the additive in an additional tank (6). The control unit is coupled to a knowledge database and sensors (2) such as an image recording device or a GPS system, for monitoring a vehicle environment, the signals of which feed the knowledge database, wherein the control unit by means of the data of the knowledge database influences the driving operation or engine start. The system is therefore able to detect a critical or dangerous situation, such as endangering traffic, and vary the response to the fill level of the additive accordingly.
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