Things You'll Need:
- Lock De-Icer
- A Hair Dryer
- A Cigarette Lighter
- Petroleum Jelly
- Car Key
TRY ANOTHER DOOR: It sounds simple, but many people get flustered and panic when they discover that their car door lock is frozen and they may not think of trying another door! Try another door or the hatch. Often, one of the other door locks will work just fine!
USE THE CAR DOOR LOCK DE-ICER: If you live in a cold climate, spend a few dollars and purchase a little aerosol canister of lock de-icer. Lock de-icer is easy to use and it can be used to unfreeze a car door lock or a frozen door lock on your home, office or other building. Insert the door lock de-icer nozzle into the door lock, squirt and unlock the car door.
WARM YOUR KEY WITH A LIGHTER: If you don't have lock de-icer handy, move on to this step. Use a lighter or matches to warm the key for a few seconds and insert it into the lock. Sometimes, this must be repeated several times to completely unfreeze and thaw the car door lock. Be careful - the key is hot!
PUT PETROLEUM JELLY ON YOUR CAR KEY: Petroleum jelly is a great home remedy for unfreezing a car door lock (or any other lock, for that matter!) Put a bit of petroleum jelly on the car key, wiggle it around and try to open the lock. You may need to repeat this step a couple times in order for the frozen door lock to operate.
WARM THE DOOR LOCK WITH A HAIR DRYER: This is the most time-consuming method for de-icing a car door lock. You'll need to run an extension cord out to your car and focus the hair dryer on the door lock to unfreeze the lock mechanism.