The correct and best tyre pressure volkswagen polo tyre pressure for factory-fitted tyres is shown on a sticker and applies to all-season. you can find it here.
For what it is worth, numbers aside, the question might also be - "Can one sleep in the back of the Seltos"? I am 5'11" and went on an overnight trip. Slept in the back of my Seltos. Was OK for a overnight camp!