There are all kinds of reasons a car door lock can get jammed. For example, the tumblers inside the lock might be clogged up by dirt or rust. On the other hand, the mechanism could be jammed up inside the door. Either way, you can try a couple different methods to fix the lock yourself. If you aren’t able to solve the problem, call a locksmith or take your car to an auto repair shop to get the lock looked at and fixed by a professional.
Method # 1
1. Lubricate the clogged lock
Try lubricating the stacked car …