We in the UK had exactly this problem with our new (climate control) 2015 CX5. On a long journey it would blast cold air in to the passenger's side and we could do nothing about it. My wife found it unbearable in the front and the back seat. It went back to the dealer twice but they could...
If you close the tailgate AFTER you close the car doors then the car will NOT lock.
Open and close a door after you have unloaded the groceries.
If you close the door with the key "out of range" it will NOT lock. This can be as little as a metre or a yard.
The car should "beep" when the door is...