How do you reset the anti-theft system on an 1997 Isuzu Trooper?

To reset the anti-theft system on a 1997 Isuzu Trooper, first ensure that the vehicle is unlocked using the key. Then, turn the ignition to the "On" position without starting the engine and leave it for about 10 minutes until the security light turns off. After that, turn the ignition off and then start the vehicle normally. If the system does not reset, you may need to consult the owner’s manual or a professional for further assistance.