cd plays but will not eject how do i get it out?

Have a cd which plays but when pressing the eject button it just makes a clicking noise...... I have tried putting another cd in but it will not take it.

My vitara is a 2004 model dont know make of radio, any help greatly appreciated
Treasure, April 2016


done
Thanks but it doesn't have a pin hole

treasure, April 2016
look for a very small pin hole just under the the tray door, and if there is one there . stick a paper clip into it and the door should pop open,,

m, April 2016