Audi AMB Service Manual page 46

ENGINE 1.8 Liter 4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AMB
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 --> 91 - COMMUNICATION
After reconnecting vehicle battery, re-code and check operation of anti-
theft radio. Also check operation of clock and power windows according
to Repair Article and/or Owners 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 --> 91 - COMMUNICATION
Lock carrier, moving to service position
Special tools, testers and auxiliary items required
Fig. 58: Identifying Special Tool 3369
Courtesy of VOLKSWAGEN UNITED STATES, INC.
Special tool 3369

Lock carrier in service position, overview
2005 Audi A4 Quattro
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