You know you do have access to this owners guide which you could search before starting a thread for every question that pops into your head. It took me 10 seconds to open the guide and take a screenshot of this page:
...yes? There are settings for Driver's door only unlock or all unlock.
Of course if your question is "why doesn't my key card work at other doors?" Then the answer is because they don't have the equipment to read the card.
The bigger issue I have is if my wife, with her card/phone gets to the vehicle first it's thinks she's driving and by the time I go around, I get my knees crushed.