LD lock 150 closing time

Hello.
I have a ID lock 150 and I have a problem that the door loocks after 15 sec of beeing unlocked and that is not enough time for me to go from my garage and up to my door.
I have dissable the autolock feature, the relocking feature. And now I am kida lost on what to do.
Is there a way to adjust the time when the door has been unlocked but not opened?