| High-level brake light bulb -M25-: Removing and installing |
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| Failure of LEDs in third brake light: |
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| The individual LEDs (light-emitting diodes) for the high-level brake light come in groups of four LEDs each and are supplied with current in groups. |
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| The high-level brake light is designed so that, in the event that a group of LEDs fail, legal requirements continue to be met. |
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| If another group of LEDs fail, then legal requirements are no longer met. |
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| When a group of LEDs fail, the intact LEDs are subjected to stronger loads, which implies that further groups of LEDs are likely to fail shortly. |
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| If more than four individual LEDs on the high-level brake light are defective, the high-level brake light should be replaced (repair measure). |
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