Take note of the type of resistance.
Quarter stuck in door handle.
When the owner tries to lock the car the mechanism fails because the passenger door handle is jammed which gives the thief the ability to enter the car through the unlocked door.
More force is needed to turn the knob and unstick the latch.
Troubleshooting a stuck door latch.
With the hinge side brackets attached using a block of wood placed against the outside the side opposite the hinges slightly hammer the door in the proper direction.
The latch will not retract even when the knob is turned.
To fix this you need to move the bottom of the opposite side the hinge side out in the same direction as the door is sticking out.
Spray a quick spurt of spray lubricant into the key hole just above the key while you jiggle the lock with the other hand.
Check your door as they may shove a quarter or penny into the gap like this.
This is for when the door lock button is stuck in as this is often the most common type of door button sticking.
The door latch is not extended before rotating the knob.
Try to open the door while it is shut.
If the door lock button is stuck out keeping you from pressing it in jiggling the handle and moving the door is likely to shake the jammed parts together.
The thief jams a coin into the door handle on the car s passenger side.
If you see a coin in your car door handle run and call the police.
Then they wait for the car owner to show up and follow the owner home.
The knob will not turn to retract the stuck door latch.
If you miss it in the morning and drive away nothing really happens.
The kicker is when you come home at night.
Now wiggle the key up and down not side to side to work it out of the lock.
Hold the application straw right above your stuck key aiming it into the hole.
This will push the top of the door inward.
You can use graphite in place of spray lubricant.