[She does her best not to laugh, even if it is in good fun as she takes the tablet from him and then makes great pains to hold it here her fingers are not anywhere near the buttons.]

You must hold this machine carefully so as not to touch these buttons accidentally. And you also must be careful what gestures you use when touching this device. ... And this, is how you bring up the map.

[She held it towards him so that he could see as she then began to tap apps on the tablet, drawing up the app. She went slowly letting him watch what it was she was doing and glancing to him every so often just in case he had a question or looked even more confused.]