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On a Hyundai Getz, if you want to disable the alarm so that you can use either the fob or the key to lock/unlock the car, you can bypass the hood switch so that the alarm circuit thinks the hood is open, and it will not go into the Arm state. This is equivalent to just locking the car with the key. The hood switch connects to ground when the hood is open, ...


With the P0422 code, it can either be the O2 or the cat which is bad. Do as @JuannStrauss said at first and see if you can clean the O2 sensor. You don't do this by taking it out, but rather running some cleaner through the engine. My preferred method for this is a SeaFoam treatment. If that doesn't fix your ills, you need to figure out if your cat is ...

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