radio AUDI A4 1996 B5 / 1.G AFC Engine Ignition System Servising Workshop Manual
Page 7 of 8
28-12
      
CAUTION! 
     
BEFORE disconnecting the battery: 
     
Stop the engine.
     Be sure the ignition is switched OFF (also 
applies when connecting the battery). Failure 
to do so may damage the Engine Control 
Module (ECM). 
     Be sure of the proper radio code (for vehicles 
equipped with coded anti-theft radio). 
     
Be sure the battery negative (-) cable is 
disconnected, when: 
     Working on the electrical system
     Resistance (spot) welding or electric arc 
welding anywhere on the vehicle. 
     
When connecting and disconnecting 
electrical test equipment (LED voltage tester, 
multimeter, etc.): 
     Be sure the ignition is switched OFF.
     Use correct adapters from the VW 1594 
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11/22/2002 htt
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