I have a 2009 Range Rover HSE. Regardless of speed, the passenger side of the dashboard squeaks when driving over small to midsize bumps. It also squeaks at certain speeds even if the pavement appears to be smooth. It seems to be coming from the glove box or somewhere behind it towards the bulk head. I've read multiple threads and many people seem to have the same problem, but there doesn't seem to be a clear fix.

It's irritating me to the point of wanting to sell it and the only fix I've found is to blare the radio to block it out.

Can anyone offer this Rover lover a solution?