the battery inside the remote is dead. the remote itself is broken or no longer programmed to your car. the car battery is low. the keyless operation system is faulty.
How do you start a Hyundai with a dead key fob?
Why is my Hyundai Sonata saying key not detected?
Hyundai Smart Key Not Detected
Something as simple as a dead battery in your smart key might be the problem. After you replace the battery, you’ll be able to determine if that was the issue.
What do I do if my Hyundai smart key is not detected? – Related Questions
How do I reset my Hyundai car key?
Use your key to turn your Hyundai to the “ACC” (accessory) position on your ignition. Hold the “open” or “unlock” button on the key fob until your vehicle’s light flashes. Congratulations! Your key fob is now programmed to your vehicle.
How do I get my car to recognize my key?
Insert the key into the ignition, and turn it to the on position. Don’t turn on the engine, only the electronics. Leave the key in this position for 10 minutes and 30 seconds, and then turn it off. Turn the key back on, and wait for additional 10 minutes and 30 seconds before turning it off again.
What does key id not detected mean?
If you have a new key fob and it doesn’t recognize the key ID, then there is a chance that the new key fob hasn’t been programmed yet. If you want your unprogrammed key fob to work on your vehicle, you need to program it.
How do I start my Hyundai Sonata without the key?
What does the key not in vehicle warning light mean?
This only applies to vehicles that are equipped with a keyless entry system. This light will come on if the key has been removed from the vehicle while the engine was running. Ensure the key is located inside the vehicle.
Will a dead car battery cause my key fob not to work as I Cannot unlock my car door?
The majority of cars now have remote central locking, however, with a flat or dead battery this won’t work and you will be forced to use the key to open the car doors. This doesn’t necessarily mean that you need a new car battery. It could be that you accidentally left a light on and the battery is just flat.
This usually happens because of low batteries, but shock can also cause the fob to lose its pairing. Most remotes can be reset, so check your car’s user manual for the resetting sequence. If resetting fails to solve the problem, the fob will need to be reprogrammed.
How do I know if my key fob battery is low?
The transmitter loses its range when the fob battery becomes weaker.
Other signals include:
If your key is not giving out any signal.
If you have to press the button repeatedly before your vehicle accepts the signal.
If your key remote is inconsistent or unreliable.
How do I reset my key fob after replacing the battery?
Why won t my key fob work after replacing battery?
For your remote key fob to work properly, it has to be connected to a receiver in the vehicle. When the battery in the fob is replaced, it can sometimes interfere with the paired connection between key and car, in which case you’ll need to reset it.
How do you resync a key fob?
To program your keyless-entry remote, press and hold the “LOCK” and “UNLOCK” buttons on the key fob simultaneously until the locks cycle once more. This could take up to 30 seconds, so be patient.
What can interfere with key fob signal?
Radio interference: Because your smart key system uses a low-power, short-range signal, it can be blocked by the much stronger radio frequencies from many different sources, including: Your cellphone sitting in the console. The Wi-Fi hotspot in your car or phone. A Wi-Fi router in a nearby building.
Faraday bags – also referred to as signal blocking pouches – are lined with layers of metallic material that can block a key’s signals from reaching the outside world. Once you’ve locked your car, simply pop the key in the bag and hey presto, any would-be thieves will be leaving empty handed.