With the new plugs you have bought, go to halfords and look at the spark plug tools. Buy the one that fits the new plugs {providing you bought the correct ones). Open the bonnet of your car, Starting from the left pull the plug wire out and you will (should) see the old spark plug in the hole somewhere, now with your spark plug tool put the tool inside the hole and make it fit onto the top of the plug. Then turn the tool with the folding handle on the top in the left direction and the plug should begin to come loose, keep spinning the tool left until the plug is out of the socket and lift t