8K1819424 Black Battery Tray Cover Cap For Audi A4 8E S4 A5 S5 Quattro B8 2009 2010 2011 2012 2013 2014 2015 - AliExpress
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2018 A4 key issues? I keep getting this message when I try to start my car and also the key fob range for lock/unlock is extremely short. The batteries have been changed,