Warning/indicator lamps
| Problem | Possible causes/effects andsolutions |
|---|---|
 The yellow engine diagnostics warning lamp is lit while the engine is running. | A malfunction has occurred in the engine, the exhaust system or the fuel system. The emissions limit value may have been exceeded and the engine may be running in emergency operation mode. Have the vehicle checked as soon as possible at a qualified specialist workshop. Vehicles with a diesel engine: the fuel tank may have been run dry. Start the engine three to four times after refuelling. If the yellow engine diagnosis warning lamp goes out, emergency operation mode is cancelled. The vehicle need not be checked. |