Power and Ground Distribution: Service Precautions

Safety Measures

CAUTION:
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch off all electrical consumers.
- Switch ignition off and remove ignition key.
- Disconnect negative ( - ) battery terminal.
- When disconnecting and reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function.

WARNING:
- HIGH VOLTAGE.
- Always disconnect battery negative ( - ) terminal prior to servicing any parts of vehicle electrical system marked with the yellow "HIGH VOLTAGE." symbol.
- After disconnecting battery, briefly turn affected system on and off in order discharge any residual voltage.
- Airbag harness and connector repairs must only be performed using VAS 1978 Wiring Harness.
- Airbag harness and connector repairs must only be performed using genuine Volkswagen replacement terminals, connectors and harnesses