ss55, are you located in the US? Please update your profile to display your location. Since specs on the A5/S5 differ from market to market, knowing your location will assist forum members in answering your questions accurately.
Assuming you're in the US, the 2009 A5/S5s no longer have electrically folding members as deak mentioned. But, other parts of the world (e.g., UK) still have that feature available.