How do you remove ignition barrel on a Corsa?

To remove the ignition barrel on a Corsa, first ensure the steering wheel is unlocked and the key is in the "off" position. Then, locate the small pin or release tab on the underside of the ignition switch and press it in while turning the key to the "accessory" position. Once released, you can pull the ignition barrel out of the steering column. Remember to disconnect the battery before starting the process for safety.