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Cylinder Head Assembly: Testing and Inspection






Cylinder Head

CAUTION!
Before beginning repairs on the electrical system:

• Obtain the anti-theft radio security code.

• Switch the ignition off.

• Disconnect the battery Ground (GND) cable.

• On vehicles equipped with Audi Telematics by OnStar, switch-off the emergency (back-up) battery for the Telematic/Telephone Control Module prior to disconnecting vehicle battery.

• After reconnecting vehicle battery, re-code and check operation of anti-theft radio. Also check operation of clock and power windows according to Repair Information and/or Owner's Manual.

• After reconnecting vehicle battery on vehicles equipped with Audi Telematics by OnStar, switch-on the emergency (back-up) battery for the Telematic/Telephone Control Module.
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