First, you will need to release and remove the engine cover
Undo the circular clip on the air intake - use a 7mm socket or a screwdriver to do this
Undo second circular clip on the air intake - use a 7mm socket or a screwdriver
Now release the air intake
Undo the 2 Phillips retaining fixings
Carefully lift away the air filter box
View of the air filter cover
Clean off any debris on the surface of the filter. Replace with a new filter if heavily contaminated
Check air filter box for debris. Clean if required. Replace air filter
Reassemble the air filter housing