Showing articles & questions for topic
key fob

Related articles

5 Common Reasons Why Your Car Door Isn’t Locking Properly
Are your power locks keeping you from getting into your car, or locking it when you leave? You need to know what’s going wrong and take steps to stop it from happening. There are five...
Symptoms of a Bad or Failing Key Fob Battery
If the key fob requires multiple clicks to open the door, only works on occasion, or does not work at all, you may need to replace its battery.
How to Disable a Car Alarm
Car alarms can be shut off by starting the car, unlocking the car door, or disconnecting the battery. Maintain your key fob to cancel future alarms.
How Long Does a Key Fob Battery Last?
In order to get into a modern car, you will usually have to have the key fob that comes with the car. These key fobs can do everything from unlock the...
How to Program the Key Fob for Your Honda or Acura
Over time, it has become a convenience for us to have remote controls for different functions of our vehicles. Remote keyless entry is the most common, but many vehicles also...
Is a Keyless Push-Button Ignition More Reliable?
Vehicle starting systems have evolved significantly since their inception. When automobiles were initially introduced, you had to manually crank the engine over with a handle on the front of your engine compartment. The next...
What Does the Key Fob Battery Low Warning Light Mean?
The key fob battery low warning light lets you know when your key fob battery needs to be changed and replaced, so you can continue using the remote.
What Does the Key Not in Vehicle Warning Light Mean?
The key not in vehicle warning light tells you when your key isn't detected in your car, so you don't drive off without it. It can be red or orange.
How to Replace a Key Fob Battery
Key fobs allow easy access to your car. Once the key fob battery is weak or dead you'll lose your fob's ability to control remote functions.
How Do Automatic Car Door Locks Work?
Whether they are single purpose or multi-purpose, electronic car door locks have standard features: A latch/door lock An actuator Actuator rods Activated by radio Electric car door locks operate...
How Touch-Activated Car Door Locks Work
When small digital systems appeared in the 1980s, the car industry was quick to pick up and use them. In short order, Ford developed the first computer-controlled keypad door locking system in about 1980. A...
How to Control a Car Light, Horn, or Central Locking System With an RF Remote Controller
A car's RF remote controller allows access and control of different components in a car. Common issues include non-working remote or a weak signal.
4 Essential Things to Know About the Keys to Your Car
Car keys are an essential part of your vehicle and there are a few different types of them depending on the make and model of your vehicle. Car keys will allow you...
5 Essential Things to Know About Your Car's Anti-Theft Device
Your car’s anti-theft device is installed in an effort to help protect your investment from thieves. Most cars today include a variety of these devices and systems that not only protect the car,...

Related questions

Question
Locked my keys in the lining of the trunk door. Is there away to get into the trunk the spare key I have doesn't unlock my trunk
Hello. Without the rear seats folding down, you will have to access the trunk through the back seat. This will require starting by removing the entire back seat. Once you have removed it, you will need to find the access...
Question
Can I change the manual key lock to an electric fob
Hello there, the process for changing your 2015 Volkswagen Polo to electronic locks is a fairly complex endeavor. In order to add electronic locks to the vehicle all of the doors would need to be equipped with electronic lock actuators,...
Question
Wont start after leaving the key on all night.
Hi there. Check the battery cables and see if the are tight and clean. A loose battery cable can cause the power to come on but not turn over the starter. If the battery cables are tight, then check the...
Question
My Car Says No key Detection & Wont start What Does This Mean?
If your ignition key is the fob style key where the key insert flips out or you have push button start, it may be as simple as a dead battery in the key fob. If you have a key for...
Question
Is it possible to take used key fob and reprogram it?
Hi there. You could reprogram a key fob to a different vehicle as long as the key is the same for the vehicle. In this case, if the key can go into the doors and unlock them, then you would...
Question
Won't start with the key, but I can lock and unlock the doors.
Hi there. The key fob could have a battery that is going dead. I recommend replacing the battery as the battery only lasts about 8 years. Then you will need to reprogram the key fob to the vehicle by putting...
Question
Tried to reset key fob didn't work now immobiliser activated.
The Immobilizer System indicator light comes on for a few seconds, then it goes out when you turn the ignition switch to the 'ON' position. The Immobilizer System light will blink if it cannot recognize the key coding. Try reprogramming...
Question
My steering wheel and my seat used to adjust automatically when I started my car and has stopped working all of a sudden 2005 Mercedes CLK500
Hi there - the memory functions which keep track of seat and steering column positions are tied to each key fob. If you accidentally switched key fobs, the different key fob may not have had the same memory settings. The...
Question
My car key stop working last night and its was the only key I had. Where could I go to get a new key?
Hi there. The dealership would have a replacement key for the vehicle. First try replacing the battery in the key fob or the key it self. Then you will have to reprogram the key to the ignition and the door...
Question
KEY fob works on all doors but drivers
Hello. We need to gather some more information. Does the door lock using the driver controls on the inside with the door closed? If not, the locking mechanism may be wearing down and not be able to able to provide...
Question
Keyless entry is not staying programmed.
Hi there. Check the battery in the keyless entry key fob. Sounds like the battery is no longer holding a charge and needs replaced. When unplugging the battery cable to the vehicle, it resets the keyless entry programming to a...
Question
Engine will not turn over with FOB, electrical is working, but no dinging and starter doesn't click.
Hi there. Possibly when the switch was installed in line with the fan, the circuit now has too much resistance and the computer has cut out the ignition circuit to keep the engine from starting to prevent it from overheating...
Question
Door lock remote stopped working.
The first thing to suspect with all key fobs is the battery. Since you reused the interior or the old fob, I would first make sure the battery is installed with the positive and negative sides in the correct position....
Question
Key does not work on doors but starts the engine in the car.
Hi there. Take the key fob that unlocks the door and put it up by the column. Press the lock and unlock twice and see if the doors will lock and unlock. If the door locks will not work, then...
Question
Alarm goes off anytime I try to start car.
Hi there. The key fob may have lost its memory. You can reprogram your key fob to your vehicle by putting the key up to the column and pushing on the lock buttons on the key fob. Then put the...
Question
Key fob wont engage in ignition
If you are referring to the actual "key" portion of the key FOB assembly and not the security component, if the key cannot be inserted, the ignition key cylinder is damaged. Of course, be sure that the key itself is...
Question
Remote car starter and automatic door locking mechanism won't work after crash.
Hi there. With having the battery cable loose, that caused the computer to reset and lose its memory. I recommend reprogramming the key fob to the vehicle to allow the door locks and ignition to work. First put the key...
Question
Door locks but does not unlock with key remote
If the door unlocks with the remote, then the car and the keys are communicating, so there has to be another fault that is preventing the lock from working correctly. It could be a problem with the door lock module,...
Question
My key fobs do not work and I don't know how to reset them.
It may be possible the new batteries were not installed properly or the circuit boards inside the key fobs may be damaged. You can try another set of new batteries and make sure to follow the symbols on the inside...
Question
Lost both of my car key fobs, what is the cheapest and fastest way to get new keys and get them programmed? 2015 Chrysler 200
Hello - unfortunately, there is only one solution for this problem. Go to your Chrysler dealer, with proof of ownership, and your VIN number, and write them a check. The dealer is the only source of electronic keys and programming...

Need a mechanic?

Our certified mobile mechanics make house calls in over 700 U.S. cities. Fast, free online quotes for your car repair.

Get a quote

Post a question and get free advice from our certified mechanics.


Ask a question