Widen the chink between the cover (B) and bumper where the finger can enter sufficiently.
Be careful not to damage the surface of bumper by a sharp edge.
Hold the nozzle with fingers under the cover and then pull it as described below picture(B).
Pull the cover (A) and set it apart, then remove the cover(B).
Remove the front bumper cover.
Put on gloves to protect your hands.
When prying with a flat-tipped screwdriver, wrap it with protective tape to prevent damaged.
Take care not bend or scratch the cover and other parts.