would keep slipping especially on a incline and went stopping

I really wanted a 4Runner so I went out and spent my money bought it brand new just to find out it was just a piece of sh.. I was so disappointed. When I take it back to the dealer they showed no interest in trying to fix the problem they acted like it don't concern them they kept saying they could not find nothing wrong .I guess they said we get her money now F***k her. I hope no one else fall for it .