Oh, the usual thing in France; rather careless drivers and innovative parking habits.
Whilst in Armagnac, do get around to producers and sample their Vintage Armagnacs. IMHO a much more noble and priceworthy digestif than Cognac.
Select a base station like Auch or Condom to make excursions in this pretty small area, roughly 100 x 80 km. If you prefer a larger city with more restaurants, a larger selection of hotels, AND willing to spend an hour out and the same back, Toulouse might be your choice
A rather schematic map
here just for the connecting roads and Les Terroirs. A good road map is invaluable if you drive yourself.