So looks like you need to have a landing pad x feet away from house/trees.
What kind of upkeep does it need and do you have to pay to get it. Do you have to remove snow and leaves off it? If the item is delivered on a rainy day and your not home, what then? lol
Found this on another forum...
They are there to let air out when you are running the climate control on anything other than recirc. They also vent the car when the air bags pop. If the car is sealed up tight the bags will not inflate properly. You may also encounter problems with having to...