What are the steps to replace the spark plugs on a Vauxhall Astra?

I have a Vauxhall Astra 1.6L and I need to replace the spark plugs. Can you guide me through the process and recommend which spark plugs to use?

First, make sure you have the correct replacement spark plugs for your specific Astra. Then, turn off your engine and let it cool down before starting. Remove the ignition coil and wiring harness, then use a spark plug socket to remove the old spark plug. Install the new spark plug, making sure it is properly gapped. Finally, reattach the ignition coil and wiring harness and start your engine to test the new spark plugs.

I recommend using NGK or Denso spark plugs for your Vauxhall Astra. They are high quality and specifically designed for your make and model. They may cost a bit more, but they will provide better performance and longevity.

Also, make sure to check your owner's manual for the recommended spark plug change interval. It's important to keep up with routine maintenance to ensure your Astra runs smoothly and efficiently.