Turn your engine off, pull up the hand brake, pull on the bonnet release lever and open the bonnet. This will allow you to see the battery which is located to the right of the engine compartment. Never start by disconnecting the positive terminal, with all the car still connected to the minus. This risks creating dangerous sparks in the electric network of your car. Lift the plastic of the negative terminal and remove it using a 10mm spanner Once removed, close the cover to avoid untimely reconnections. Do the same with the positive terminal.Now remove the fabric covering on the battery. With a socket wrench, a long extender and a 13mm socket, remove the nut and take off the fastening plate of the battery. Take out the battery. Sand the inside of the terminals with sandpaper to remove the layer of white oxidation and to avoid breakdowns in the long-term. Put the new battery back in place, and immediately put the holding plate in place. To begin with position it by hand, screwing the first threads then finish fixing it in place with a socket wrench. Put the fabric covering back on the battery.Lift off the positive terminal cover, then put the positive terminal back on to start with, tightening the screw with a 10mm spanner. Finally, put the negative terminal back and tighten it. Operation completed! .