tank531, the infamous..., Rodion, AJWilson thank you for your comments !
Anodite10, the two buttons are HDC (Hill Descent Control) and DSC-DTC(Dynamic Stability control- Dynamic Traction control). You will also have them in your car as it is standard equipment. Here are also two pics of the conslole, (your air condition unit may look different, I have one zone unit, standard is usually two zone)