How do you reset car alarm on 2010 Kia Optima?

To reset the car alarm on a 2010 Kia Optima, first, unlock the vehicle using the key fob or the physical key. If the alarm continues to sound, insert the key into the ignition and turn it to the "On" position without starting the engine. This should deactivate the alarm. If the problem persists, consult the owner's manual for specific instructions or seek assistance from a professional.