I have no idea if there is one in our nearest shopping centre. However, it's just across the road from the fire station and they have at least one. When my FIL had a heart attack, the first ones on the scene were the firemen. They saved his life. MIL said she'd not had so many guys running up her stairs for many years! Having done CPR for 40 minutes on a young motorbike rider who didn't make it, I can say that I have never worked so hard in all my life and that includes learning to walk again - twice. Any nearby machine is welcome. Can you ask somewhere to be taught how to use one?