It's on the passenger's side of the engine compartment under two covers. The first cover (depending on the year) covers the battery. The second cover has one long Phillips screw in the center. Remove that and you'll be able to pull the cover toward the front of the car and see the filter inside.
How do I replace a turbo in 2003 vw passat
Check all replace the blown one
http://www.tobio.info/passat/howtos/passat_air_filter.html
Go to the dealer.
To replace the dashboard lights for the ventilation controls on a 2005 vw passat you need its user manual.
http://www.tobio.info/passat/howtos/passat_air_filter.html
fuel filter is located in front of right hand rear wheel under car,behind plastic panel
http://www.fishh2o.com/Misc/Misc/Passat%20Radiator.html
Check outwww.blauparts.com/vw/vw_fluid/vw_automatic_transmission_fluid.shtml
Behind the R-H headlight.
You will need to remove the gas tank from your 2004 VW Passat in order to change the fuel filter. Remove the gas line. Remove the fuel filter retaining plate. Reverse the process to install the new fuel filter.
take it to a garage