Power steering ???

I have a grizzly 450 with EPS, it has 118 miles on it And I don’t think the power steering is working correctly. This is my first ATV ever and have not had much experience with them so I thought that thats the way it should be. But yesterday It seemed to actually come on and work for a little bit. It sure was nice when it came on and I realized that it hasn’t been working up till then. But it would come and go. Does anyone have any suggestions?