How do you program remote for opel corsa?

To program a remote key for an Opel Corsa, first, insert the key into the ignition and turn it to the "On" position without starting the engine. Press the "Lock" button on the remote for approximately 15 seconds. Turn the key back to the "Off" position and remove it from the ignition. The remote should now be programmed and ready to use. If this method doesn't work, consult your vehicle's manual or a professional locksmith for assistance.