leveling sensor

I have a 2011 A5 2.0 TDI Quattro, recently i noticed my left dipped headlight switching off after a minute or two, and was getting the "left dipped headlight/main beam headlight" warning on my dashboard along with the yellow bulb with a red cross through it. It was being recalled to Audi for...

So my car has headlight leveling sensors on the wheel (for xenon lights i assume?) however it has just the normal headlamps so its making the dash beep with a fault about headlight leveling... Was told by local garage the leveling sensors are for Xenon lights only which makes me think someone...