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Home >> Audi >> 2007 >> A4 Base, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Communication) >> 91 - Communication >> Telematics >> Service mode, activating/deactivating >> Notes
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Service mode, activating/deactivating: Notes

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • Telephone/Telematics Control Module J526 must be put in service mode before disconnecting Battery A.
  • If this is not done, the Emergency Battery (Telematics) A16 in Telephone/Telematics Control Module J526 is discharged.