diff --git a/index.html b/index.html
index be6da78c5e9ec9f23846a724d7820f71b1816897..c5964d957dc1f75a7e07eea8c65116fe50adccd0 100644
--- a/index.html
+++ b/index.html
@@ -32,22 +32,43 @@
 </div>
 
 <!-- include prototypes here -->
+<script src="js/extra.js"></script>
+<script src="js/car.js"></script>
 
 <script>
 
     function generateCar(image, make, model, description, price, category, year, mileage, extras) {
-        //Create an array of Extra instances based on Extras names and prices
-        // Create a new Car instance
+        
+        tabExtrasObject = [ ];
+
+        for ( let i = 0; i < extras.length; i++ )
+            tabExtrasObject.push ( new Extra ( extras[i].name, extras[i].price ) );
+
+        return new Car ( image, make, model, description, price, category, year, mileage, tabExtrasObject );
+
     }
 
-    function showHideExtra(btn,elt,car) {
+    function showHideExtra ( btn,elt,car )
+    {
+        if ( btn.textContent === "+" )
+        {
+            btn.textContent = "-";
+            car.generateExtras ( elt );
 
+        }
+        else
+        {
+            btn.textContent = "+";
+            elt.innerHTML = "";
+        }
     }
+    
 
 
 </script>
 
 <!-- Do not change -->
+
 <script src="js/index.js"></script>
 
 <!-- Bootstrap JavaScript and JQuery Link -->
diff --git a/js/car.js b/js/car.js
new file mode 100644
index 0000000000000000000000000000000000000000..7ee715e40fcea53622d02ab9cb4b56a7885369d5
--- /dev/null
+++ b/js/car.js
@@ -0,0 +1,38 @@
+function Car ( image, make, model, description, price, category, year, mileage , extras )
+{
+	this.image       = image;
+	this.make        = make;
+	this.model       = model;
+	this.description = description;
+	this.price       = price;
+	this.category    = category;
+	this.year        = year
+	this.mileage     = mileage
+	this.extras      = extras;
+}
+
+Car.prototype.generateImage = function ( elt )
+{
+	const img = document.createElement ( "img" );
+
+	img.src = this.image;
+	img.alt = this.make + ' ' + this.model;
+
+	img.classList.add ( 'card-img-top' );
+
+	elt.appendChild ( img );
+}
+
+Car.prototype.generateExtras = function ( elt )
+{
+	const liste = document.createElement ( "ul" );
+
+	for ( let i = 0; i < this.extras.length; i++ )
+	{
+		const extra = document.createElement ( "li" );
+		extra.textContent = this.extras[i].name + " " + this.extras[i].price;
+		liste.appendChild ( extra );
+	}
+
+	elt.appendChild ( liste );
+}
\ No newline at end of file
diff --git a/js/extra.js b/js/extra.js
new file mode 100644
index 0000000000000000000000000000000000000000..110029592d4ab85bcc39c68bca50272fc497c6ed
--- /dev/null
+++ b/js/extra.js
@@ -0,0 +1,5 @@
+function Extra ( name, price )
+{
+	this.name  = name;
+	this.price = price;
+}
\ No newline at end of file