| Headlights with gas discharge bulbs |

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| Before working on headlights with gas discharge bulbs, always switch off the headlights and remove the ignition key. |
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| The automatic headlight range control on headlights with gas discharge bulbs is equipped with self-diagnosis. |
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| When dealing with complaints, it is absolutely essential that the function and operation of the lighting system are first understood. |
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| Additional information: |
| Fault detection and fault display: |
| The automatic headlight range control (HRC) and onboard supply control unit have a self-diagnosis function, which makes fault finding on the headlight using gas discharge bulbs easier. |
| For fault finding, use vehicle diagnosis, testing and information system -VAS 5051A- in „Guided fault finding“ mode. |
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