Is it OK to unscrew this ?

[venomx]

A few months ago I snapped a clip for the a pillar and think it fell down the hole you see at the top of the photo on the right.

It could be causing a rattle so want to try and remove it.  Is it OK to unscrew the one circled in blue to see if it fell down there ? 

Obviously I'll screw it back in again after.

 

Thanks

[flash22]

That is the side airbag tether, it torqued to a certain spec if you snapped the clip in the hole it would have dropped down the inside of the A pillar  to the floor - your rattle is likely to be under the dash or behind the kick panel

[venomx]

20 minutes ago, flash22 said:

That is the side airbag tether, it torqued to a certain spec if you snapped the clip in the hole it would have dropped down the inside of the A pillar  to the floor - your rattle is likely to be under the dash or behind the kick panel

OK best not to mess with it then? I thought it could be wedged behind the screw in blue.

Yeah well the rattle existed even before I snapped the clip. 

Take the a pillar off, mess around with it, put it back on and the rattle stops for a while then continues. It's a one off sort of snapping/popping sound rather than rattle. When i go over small bumps.

 

Is it an easy job to take the top dashboard off to see underneath?

[Starensis]

As Flash22 has already confirmed, fixing is AB tether and is torque controlled. 
Would imagine the clip in question could have fallen down to lower A post area, however, if it’s not causing any issues with rattles etc, I’d leave it.