fixable

Hi all, This is my first post so please excuse my lack of knowledge. I have had my Seat Leon for around 2 years, and within the last 6 months, an annoying buzz/rattle is coming from the plastic infront of the dials.I know this is where it's from because when i press my finger on the plastic...

right ive been putting this off since getting the car , but with no A/C its too damn hot lol . My drivers window wont work . the switch is fine , and the motor works ( i can see the mech goin up and down) it looks like i just need to put the window back in the clips/runners . is this do-able or...