The car alarm that won’t arm, making your peaceful Monday morning into a bad day. You hit the key fob, but the alarm continues blaring. Your doors could stay locked, or your car may not start.
There can be lots of reasons for this. The car key fob battery failing is a very common causing but the anti-theft device of the vehicle can also be at fault. This can help save time and money by knowing where to look first.
Begin with the Key Fob Battery
Your key fob must have enough power to transmit a viable signal to the car. The weak battery means the car might not execute that command correctly.
Use right kind battery for the key and try changing battery. Ensure that it is new to the right position.
If you can replace the battery and it works like before, the issue has been resolved. If that’s the case, it could be something else all-together.
The Key Fob May Be Damaged
A key fob is easily broken by falling, getting wet or being carried in adverse environments.
Check for:
- Cracks in the casing
- Stiff or damaged buttons
- Signs of water exposure
- Loose internal components
- Intermittent operation
If a circuit board is damaged, this could stop the fob from communicating correctly with your vehicle.
The Vehicle Might Not Identify the Key
Newer cars have electronic security systems to verify that the right key is being used.
If the fob’s keys lose programming, or if there’s a malfunction with the vehicle’s receiver, the alarm might not respond to commands from the fob.
In such a case, smashing the buttons over and over again is not very likely to resolve the underlying issue. Professional diagnosis may be required.
Signal Interference: Maybe Not a Good Idea
Under some circumstances, the wireless signal can interfere with a key-fob sending a message. Nearby powerful electronic signals, may cause the command be unrecognized by vehicle.
Move a few feet away from the area and use the fob again. If it works fine in other locations, interference may have been a factor.
But if problems keep occurring in different locations and the car is still malfunctioning, it would be wise to check the key or automobile.
When to Call a Locksmith
If checking all these basic details does not fix the problem, phoning a professional can save you time. Car locksmith services usually find out the exact cause for key and remote issues, thereby letting you know whether it is a problem with the fob or with the vehicle itself.
To inspect the vehicle, a locksmith might be able to either get you a new one or reprogram an equivalent key.
What Can a Locksmith Check?
An expert is capable of examining the key fob, diagnosing its signal and testing if the vehicle detects it.
If you live in South Australia, a car key locksmith Adelaide helps with keys programming, replacement, and other issues regarding vehicle keys.
Use caution and always inquire about which services are part of it before accepting to provide any work.
Preventing Future Key-Fob Problems
A couple of little habits are enough to safeguard your key:
- When the battery is weak, replace it.
- Keep the fob away from water.
- Avoid dropping it.
- If necessary, use a protective case.
- Have a backup key in a secure place.
Final Thoughts
Several common causes when a car alarm will not disarm. Begin with the key-fob battery and look for a physical damage. If the problem persists, examine for signal interference, and the vehicle battery.
In case, you put your key inside the lock and it still does not opens, there are car locksmith services to find out where lies the fault. A car key locksmith in Adelaide can also guide you if repair, programming or replacement is the best solution for local required assistance.
