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General description > < Checking functionality of individual TV aerial amplifiers

A4 Mk1

Radio, Telephone and Navigation System
Navigation system III (route navigation) (as of CW 29/99)
Navigation system III (route navigation) (as of CW 29/99)
Important:
Disconnect battery earth strap before working on electrical system.
Activate the service mode of telematics control unit before disconnecting battery.=>Radio, Telephone and Navigation System Self-diagnosis; Repair group 01; Telematics Self-diagnosis; Adaption

Notes:

  • ◆ On vehicles with coded radio, obtain anti-theft code before disconnecting battery.
  • ◆ Activate the service mode of telematics control unit before disconnecting battery.
  • ◆ If the battery is reconnected, please ensure that the vehicle equipment (radio, clock, electric window lifters, engine) is activated as described in operating instructions and the service mode of telematics control unit is deactivated.

General description > < Checking functionality of individual TV aerial amplifiers