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Key Fob
Benefits of Key Fobs
Today, Key fobs have gradually become an important necessity for car owners because of the multiple benefits that they deliver. Read this article to find out what key fobs are, how they function, what benefits one gets by using them and how they are making a car owner's life a little easy.
What are key fobs?
In the past, car key fobs were just simple metallic gadgets that were stamped with the car company's logo. But with time its usage has undergone a change. Now, key fobs are used for activating remote keyless entry systems on vehicles. Few years back, the key fobs operated with the help of infrared and required a clear line-of-sight to function. Most new models use challenge response authentication over radio frequency and do not need line-of-sight to work. Programming them sometimes requires the automotive dealer to connect a diagnostic tool, but most of them can be self-programmed just by following a set of sequenced steps in the vehicle and generally requires at least one working key.
These days' Key fobs are being used increasingly in apartment buildings as well as condominiums for access to common areas such as lobby doors, storage areas, fitness room, etc. They usually contain a passive RFID tag. A fob operates much like a proximity card to communicate with a central server for the building.
Mostly, these key fobs are seen to be used by car owners because of their multiple benefits, they are a great help. A key fob functions like any other basic remote controlled system. The computer chip in the remote creates a unique code that the receiver is programmed to recognize. One good thing about this code is that, it cannot be replicated.
Some of the benefits of key fobs are:
Ease of Entry
Just by pressing a button, one can easily lock and unlock the vehicle. This is a device that is perfect for those who are on the move and need to lock and unlock their car easily.
Remote Car Starters
Most of the key fobs these days come with a remote car-starting feature. This feature helps one to start the car without getting into the car.
Keyless Entry
Keyless entry is a fairly new thing but is becoming more and more standard as the technology improves. One can actually unlock the car just by being in the vicinity of the car. It gives the option of starting the car without having to put a key into the ignition, as the keyless entry allows for a push-button start.
Car Alarms
They also control the car alarm for the car. The car alarm can be turned on and off with the help of the fobs.
Unlocking the trunk
Key fobs often have the ability of unlocking the trunk. The trunk opens up completely with a press of the button on the fob and allows one to get things in and out of the vehicle with relative ease.
A key fob can certainly enhance the overall experience of using the car. Whether it is an automatic start feature or a trunk unlock feature, one can get the most out of the car with a key fob. This is also a great way to prevent theft and also to incorporate an automatic keyless ignition system in the car. Luckily, car key fobs or even a key replacement can be easily accomplished. It may be as simple as contacting a local dealer for the vehicle's brand. Even better, one can find an online dealer of replacement car key fobs.
About the Author
This article is written by an expert working for Auto Transponder, a leading supplier of key fobs, keyless entry remotes and key fob replacement.
How do I change the battery on a 2008 VW Passat Key Fob?
The red light on the key fob flashes when I try to lock the car. Worked fine all day and now it's not working. I looked online and it shows you can change the battery but I wanted to clarify if in doing this, the fob has to be reset by the dealer or will it be okay?
Replacing the battery in the key won't require anything to be reprogrammed. To replace the battery, flip open the switch blade key, and use a small flat blade screwdriver to pry at the gap between the top and bottom halves. Pull the halves apart, and with your fingers you will be able to pull the battery cover off the bottom half of the key (separate the front from the back now).
Nissan Keyless Entry Remote Programming Replacement Key Keyfob