Should be removable ... you probably have to squeeze it together to get it to come out .... push one side towards the other (kinda hard to explain, like it has a spring inside the length of it).
I am sure it is removable since I don't have one in my Compass, and damn it, I want one!!!!
'07 Compass Limited 4X4: K&N Air charger, Borla cat back exhaust, Rocky Road Lift kit, Firestone Destination A/T 245/65/17's, Red painted brake calipers, Pioneer AVIC Z2, Sirius, iPod interface, Polk Audio 6X9s (all 4 doors), Polk Audio Tweeters (dash), Polk Audio 6.5s (rear hatch), 2 Kicker CVR 10" Sub woofers in custom enclosure (hidden), Eclipse XA4000 4 channel & XA1000 1 channel amplifiers.
Peep my ride: http://www.cardomain.com/ride/3031696