A4 Sedan V6-3.2L (BKH) (2007)
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Disconnect electrical harness connector - 3 -.
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Remove emergency battery - 2 - from bracket.
Installing:
Install in reverse order of removal, noting the following:
Reinstallation of existing emergency (back-up) battery:
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Switch on emergency (back-up) battery (VAS 5051/5052 still connected and in "75 - Telematics USA - Functions" mode)
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Select/press button "1 - Service mode deactivating (normal operating condition)"
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Follow the tester's prompts.
Installation of new emergency (back-up) battery:
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Switch on emergency (back-up) battery and reset counter (VAS 5051/5052 still connected and in "75 - Telematics USA - Functions" mode)
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Select/press button "2 - New emergency battery has been installed (reset counter)"
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Follow the tester's prompts.