What could be the reason that the right rear door of a 2021 Tiida won't open?

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

The car doors won't open in the morning, and the whole car is out of power. The reason is unknown. Could the experts please advise on the cause and how to fix it? Waiting for your help!!!

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.

My M7's electric right middle door isn't working. It opens a little, and if I press it again, it opens a bit more, but it won't close completely. Experts, what could be the reason for this?

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 issue with the right rear door of a Jetour X70 not locking?

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

The child lock on the right rear door of the 2014 V60 is not engaged, but the door cannot be opened from the inside, only from the outside. What could be the issue?

Why won't the right door open suddenly? Is it the child lock? Where's the child lock switch?