Is Your Car Key Remote Actually Bad?
If your backup remote doesnt work either, its always possible that it is also bad.
However, there could also be a mechanical or electrical problem with the door locks.
When a car key fob starts working, it’s usually the battery.Chemistry / Photographer’s Choice / Getty
Your local dealership may also have a universal remote to verify if your remote lock mechanism works.
What About Cars With No Physical Keys?
Some cars have push-button ignitions that only operate when the key fob is close.
These vehicles usually have a physical key for locking and unlocking the doors, but it may be hidden.
The locks are probably fine mechanically if you might lock and unlock the doors with the physical key.
However, there could still be anelectrical problem.
There are a few ways to determine the bang out of battery you need.
It may say in your manual, or you could contact a local dealer.
Car key remotes typically useCR2025orCR2032batteries, althoughCR1620,CR1632, and others are also used in some applications.
Most of these batteries should show about 3 to 3.6 volts.
If the battery is more than five years old, consider just replacing it.
If your car key remote works after replacing the battery, then youre done.
You’ve fixed the problem, and you might go back to using your key fob as usual.
If they are, carefully soldering them back in place may return your broken key fob to useful service.
In that case, you’ll typically need to obtain a new remote.
The rubberized buttons used by most car key remotes can fail in many ways.
If the buttons still don’t work, you’ll need to obtain a new remote.
Insert the keys in the ignition.
The number of times will vary depending on your made and model of vehicle.
If the engine cranks or starts, you’ve turned the key too far.
Only turn it to the run position, not the start position.
You will typically hear a chime after you have cycled the key several times.
If the procedure was successful, your key fob remote will work again.
Alternative Programming Sequence
Different vehicles use different procedures.
If your vehicle uses this method, you will notice the exterior and interior lights flash.
Insert your key into the ignition, and turn it to the accessory position.
Push one button on your remote.
If the procedure is successful, the hazard lights will flash.
Your key fob is now ready to use.
There are other methods, and some require special equipment.
In that case, youll probably have to take your vehicle to a professional.
If there isn’t, you should invest in acar key locator.
