91 park ave vent removal

im trying to install my alpine deck into my car but i cant find a way to take off the air vents so i can reach the bolts in back to take off the dash, anyone know how to take them off ?????

I did a Search Forums (http://www.automotiveforums.com/vbulletin/search.php)for you and found this thread (http://www.automotiveforums.com/vbulletin/showthread.php?t=486651&highlight=AV+VENT+REMOVAL) and this one (http://www.automotiveforums.com/vbulletin/showthread.php?t=429709&highlight=AV+VENT+REMOVAL)that may help.:smokin:
BTW: Welcome to AF!

thx for the help thats all that was stopping me form the installing it, the new unit's in and it sounds great