If the backup remote can lock and unlock the door you will know for sure that there s something wrong with the main remote.
Unlock a sticky locked door.
The non locking side of the door should have a small hole likely on.
A common problem with the fiero is a sticky door lock that takes multiple button pushes to get to lock or unlock.
Before starting to diagnose the causes you can use a backup key fob if you have one to see whether the problem is with the remote or the car door.
Many people put up with the aggravation of a sticking door lock for years.
My front door deadbolt lock is hard to unlock and open when i put the key in and turn.
Ironically by cleaning and oiling them you can fix most locks in a matter of minutes.
Leave the lock cylinder on the door and spray inside the keyway.
Just insert the screwdriver into the small hole and press the button on the inside of the handle with it to unlock the door.
Troubleshooting of remote key won t unlock car door.
I can unlock the door if i try a few times but the key has a difficult time turning as the deadbolt is sticky.
Don t panic we ll show you how to fix a door lock that is jammed.
After enough use you might find that your door lock has begun to stick making it difficult to put in turn or pull out your key.
We have been going through our garage door to get in the house because of this.
Over time grease and dirt build up on the internal workings of the latch and make it hard to move and there are multiple pivot points inside the latch just for the lock unlock function.
Spraying lube into the latch with it still mounted in the car is only a temporary fix at best.
Then insert your key and twist it several times to work in the lube.
First clean the keyhole with a penetrating lubricant like wd 40.
This occurs when dust dirt grime and other buildup accumulates on the internal.
Lube the lock cylinder.
How to fix a sticky lock.
For an interior door that has a small hole in the handle you can use a small screwdriver to unlock it.