When switching out the battery on a W8 do you need to reprogram the computer settings ? I have been told NO and I have been told YES...which one is it?
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2002 Volkswagen Passat W8 Question: Battery
Answer #1patrick mannion from Greg Solow's Engine Room, April 07, 2011, 10:47Master
It is a car with a lot of "fancy electronics". There is a memory saver that plugs into the 16 pin OBD diagnostic socket under the dash that saves computer memory. See if you can find one on line, don't confuse the device with the one that is sold that plugs into the cigarette lighter of your car as cigarette lighters are not live on many cars when the ignition key is off.
This link is a fancy one
is one that would be a cheaper alternative but needs its end modified and attached to another 12 volt battery (extend the cables put two alligator clips on it and attach it to another car battery in your driveway. plug in to connector, keys off drivers window open, doors all closed.
Answer #2ajbcars November 21, 2012, 17:39Rookie
No you do not. You will have to set time (clock) and possibly your radio stations.