Alarm goes off even after unlocking with remote

Lock and unlock the car with your key from the drivers door lock.

Try having the key in the 'on' position then disconnect the engine battery for two minutes , reconnect and check system.

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you have a bad feed censorit tells it when its being burguld or the main brain for alarm look for a local alarm company they will fix or disarm permantly

You can buy a new key chain remote on ebay, or go to hyundai dealership, I would not disable security, as one thing electrical goes wrong it can cause other things to not work properly. This car has built in computer system.

If you can step up to the car and unlock it with the remote and everything is ok until you touch the ign. I'd say door switch. If you unlock the car, but fiddle around a bit before starting, the car has a senile moment and trips off.
But if you can't even use the remote then it sounds like the key isn't recognized by the alarm system. Try a different key, like the valet key- the one without the alarm buttons on it. If that doesn't work I'd say you have to drag the car and EVERY key to the VW stealership to have the alarm recoded

Most car alarms are made to just sound to scare people away from it.

When you put the key in the door to unlock it, the alarm will go off, but you can unlock it.

Once you unlock it, pop the hood and disconnect the alarm until you can get another remote for it. It should still be drivable unless you bought an aftermarket alarm which shuts off the engine (and goes for a pretty penny). If you did, you need to find a ride to the dealer you bought the from and get a remote before you attempt to unlock it.

I hope this helps. =)

On some cars/trucks/SUV's, the alarm will go off if the car is unlocked with the key or if the door is opened (even from inside the car with the alarm set). Unlocking with a key does not always turn off a car alarm. Best advice, go to the dealership to get a new key-less entry remote, or get a new alarm installed with a remote to override the original alarm system.