Why would you need to. Doing it without permission is against the law.
Use the key
How do we open the locked suitcase
The door handle may not open because it could be locked, jammed, or broken.
The tip of a coat-hanger could work if you did it right.
You could break an appropriate window, open it and crawl in, or call a locksmith.
Safety, so you can't lock people inside.
You can open a locked door (From the outside: With a key)(From the inside: With the lock opener, usually by twisting it) :-)
how do i open the trunk of my 2007 mustang if the keys are locked inside
Someone could of left the drawer open for a period of time, and it could of crawled in and stayed there, locked inside. Or there could be a hole somewhere on the outside!
To open a locked door handle, you can use a key, a lock pick, or contact a locksmith for assistance.
No, it is not possible to open a locked car door using a cell phone.
with a key