How do you change the ignition coil on vauxhall vectra 1.8 estate?

To change the ignition coil on a Vauxhall Vectra 1.8 estate, first disconnect the negative battery terminal to ensure safety. Remove any engine cover if present, then locate the ignition coil on the engine. Disconnect the electrical connector and unscrew the bolts securing the coil in place. Finally, replace the old coil with a new one, reattach the connector, and restore the battery connection, ensuring everything is secure before starting the engine.