the keys i have wont work to remove the stereo (syph 2 6 cd changer ) looking in halford tonight and i see some diffent type of keys are these what i need these are my keys AUDI CHORUS CONCERT CD STEREO REMOVAL KEYS PC5-132 X4 | eBay so do i need these keys maybe ?Audi/VW/Seat Car Stereo/Radio Removal Keys/Tools/Pins | eBay car is a 2004 a4 cab quattro .. its on the change over as a lot of pre 2004 dont parts fit but 2005 on they fit ...any shed any light on these .. many thanks