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question about specific cluster lights

Audi A8 This full sized Audi A8 sedan offers interior luxury and spaciousness comparable to any car in the full sized luxury sedan class

question about specific cluster lights

  #1  
Old 02-18-2011, 07:04 PM
MartinCieslak1's Avatar
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Join Date: Nov 2009
Location: Quebec
Posts: 247
Default question about specific cluster lights

I have two lights in my cluster that I don't know what they do or light up under what circumstances.

1- ''CAT'' does it light up when the cat converters are too hot ?

2- immobilizer/security... no idea when it should light up

thanks
 
  #2  
Old 02-18-2011, 08:24 PM
1st Gear
Join Date: Sep 2010
Location: Peabody, MA
Posts: 32
Default Cat/immo

CAT= Catalyst Warning System, Used for P04XX codes dealing with the catalytic converters or O2 sensors.
Security/IMMO is for the immobilizer. If you try and start the car with a key that is not registered with the IMMO box, ecu, or cluster the car will shut down after 2 sec and the light will flash. This light should come on for about 1 sec and turn off after a registered key is inserted into the IGN and turned to the on position.
 
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