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Home >> Audi >> 2002 >> S6 4.2 L >> Repair and Diagnosis >> Accessories & Equipment >> Steering Column Switches >> On Board Diagnostic (OBD) - Radio, Navigation, Steering & Telematics >> Multi-function steering wheel, On Board Diagnostic (OBD) >> Safety precautions >> To reduce the risk of personal injury and/or damage of electric and electronic components, always observe the following:

To reduce the risk of personal injury and/or damage of electric and electronic components, always observe the following:

CAUTION:
  • Always switch ignition off before connecting or disconnecting test/measurement tools.
  • It is possible that the control module will recognize a malfunction and store a DTC during some tests. After completing all tests and repairs, DTC memory should therefore be checked and erased if necessary.
  • Always switch ignition off before disconnecting or connecting battery. Failure to do so may damage a control module.
  • On vehicles equipped with Audi Telematics by OnStar(R), switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting battery. See EMERGENCY (BACK-UP) BATTERY, SWITCH ON/OFF, RESET TIME REGISTER  .
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