Thanks for the info Mech, will have look for that heater exhaust in the morning. In my case I'm starting the engine fully and then locking car when I'm outside, so I dont think it is related to the aux heater.
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Originally Posted by Mechcanico Lee
Just thinking here ,do you need to change the coding for Aux heater to show in the mmi screen , do a full scan with vcds and see if aux heater pulls up in the scan results .
On the 4.2 tdi the exhaust of the aux heater sticks out through the under tray just in front of the drivers side front wheel , is it the same for 3L tdi I'm not sure ??
Search on interweb for thread on a8 called definitive guide to auxillary heater or summat like that , it tells you everything about how to do it
I'm not sure if all 3L have it some one on here may know .
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