Originally Posted by Boondocker
Have you checked that it's securely in the mount? Our 2014 has a knob that attaches the swing arm that you can adjust in case you can't get it in there. Make sure it is tight enough the the know is perpendicular to the arm. Good luck.
Yes. The knob (a big wing bolt, actually) should secure the arm. If the knob is in the vertical position and still loose, tighten it another half-turn or full turn until it is quite snug. Ours (2015 Agile) works well.