Talk:Rhino/@comment-71.14.194.130-20180208154118/@comment-28861372-20180209154148

I think you need to swipe the touch pad in a different direction to activate the other abilities :)

"Swipe Up the touch pad to cast the first ability, Down for second, Left for third, and Right for ultimate ability. "

http://warframe.wikia.com/wiki/Key_Bindings