How do you replace indicator switch on astra g?

To replace the indicator switch on an Astra G, first disconnect the battery to ensure safety. Remove the steering column covers by unscrewing them, then detach the old indicator switch by unscrewing it from the steering column and disconnecting the wiring harness. Install the new switch by connecting the wiring harness, securing it to the column, and reassembling the steering column covers before reconnecting the battery. Finally, test the new switch to ensure it functions properly.