Giving it depth
Next apply the same techniques as we did creating the the base shape layer to the (white) roof of the car. Using the 'Pen Tool (P)' to add Anchor Points, then 'Convert Anchor Point Tool' to create curvature.
Next, with the 'Ellipse Tool (U)' on the toolbar, draw the back hub cap, then hold the 'Shift' key and draw in a second ellipse(the foreground hub cap).
To position accurately, Ctrl + click on the new ellipse, then right click on a single ellipse and choose 'Free Transform Path'. Right click again, and choose 'Distort'. Tweak the cornor bounding points until in the position as the hubs in the image. Repeat for the other hub.
I also started on the headlights (on a new layer) using the same technique. (Ellipse Tool ~ Free Transform ~ Distort ~ tweak into position)
Since new layers are being added and they could pile up, its sensible to name them appropriately. (Thought it is possible here to use as few layers as possible, as I did with the main body)
Next I started adding the bumper. Again, use the 'Pen Tool (P) to trace the area, 'Convert Anchor Point Tool' to wrap perfectly to the original image source. (It's all routine now, right!)
