Superb170

For 'tourist lights' go to the main MFD menu, scroll down to - settings - lights and vision - should be an option to tick 'travel mode' in there.  For the twin door feature, there are two buttons under the hatch lid - one in the middle which opens it (by default) in saloon/boot mode. There is a second button to the right of this.  If its a facelift version (which I'm assuming it is), then you simply push this right-hand button and it opens as a hatch. You might see the third brake light flash momentarily.
 
Note, if the boot is already open and you want to open as a hatch, just close the boot and press the button on the right to re-open as a hatch.  Also, when you close the hatch you should hear some clicking noises - this is normal, it is just the mechanism resetting. 
 
In the pre-facelift models, you had to hit the right-hand button to switch to hatch mode and then go back and use the middle button to open as a hatch so this step was removed with the facelift.  Hope all that makes sense.......

Yes, I've had them in both my 2011 and 2014 Superbs so can't see why it wouldn't have them
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Yes, stop/start is definitely featured. Standard across the range now
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To be fair the light functions can be quite confusing as its not a straightforward on/off anymore so I wouldn't feel silly about it

As 100andthirty says any decent dealer should go through this prior to delivery and if they don't insist on it. A lot of options can be activated / deactivated in the MFD such as interior lighting/footwells, window and door closing.
Best if luck with the new car and enjoy!
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Cam belt is 180,000km (110,000 miles) or 4 years