What could be the reason for the sunroof suddenly not opening, guys?

Why won't the trunk of my 2008 S40 open? What could be the reason?

I bought a Kia Sportage in 2010, and suddenly the right rear door won't open. What could be the reason? It's not the child lock issue. Also, the door handle feels loose when pulled.

The trunk suddenly won't open, and it's showing that the trunk is unlocked. What could be the reason?

The side electric sliding door of the Multivan can open, but it doesn't respond when closing. What could be the reason?

What could be the reason for the sunroof suddenly not opening, guys?

If the sunroof has been lubricated but won't close after being opened, what could be the issue?

The sunroof is open and won't close.

What could be the reason that when I press the key, the car doesn't respond and the doors won't open?

My Kodiaq's sunroof suddenly won't open today, does anyone know how to fix it?

The "1Err" symbol suddenly appeared. What could usually be the reason for this?