If the door locks work with the driver door switch then this is probably not an electrical problem and more along the lines of an options setting.
Door lock not opening with key.
In the future keep a lock de icer on hand.
Tighten the hinge screws and then try adjusting the strike plate by loosening its screws and shifting it slightly.
Locks are only as good as their installation.
Repeat heating and inserting the key until the ice has melted.
Don t use a wet.
Remember to replace your key because a key which has been bent once will remain fragile.
If it is hold the key with a heavy glove and heat it with a match or lighter and then work it gradually into the keyway.
We demonstrate how to open a door without a key in two ways.
Blunt tip of the key.
A dry graphite lubricant will lubricate the inside of the lock making it easier to unlock.
If the key won t go into the lock ask yourself if the weather is cold enough for the lock to be frozen.
Check the owner s manual i know the dreaded book of the car and see if there is a process for changing the key fob options and how to perform this change.
Spray the door key with a graphite based lubricant.
Assuming the door lock is hard to unlock with a key because it is dirty or gunked up inside and not damaged your best bet is to use a dry graphite.
Door lock doesn t latch properly when a door latch doesn t click into position it usually means the latch and the strike plate are out of alignment.
Repairs range from making minor latch adjustments to repositioning the door.
Flip the key and open the door.
A straighten key should go inside the lock even with a little force applied and some lubricant and you should open your lock.