I have actually done this exact procedure on my car using a cluster from a 91 300SE. If you carefully separate the fabric along the bottom of the cluster, it exposes the groove and even a little notch for you to grab the icon strip with a pair of tweezers.

If my back isn't bothering me too much, I'll try and get some photos tomorrow.

__________________
Jason

00 Subaru Legacy (fun wagon)
96 Nissan Sentra (disavowed)
82 300SD (garage queen, will run again hopefully)
87 300DT (Gone: 10/15/2010)