So I own a 2016 versa sedan with 5spd manual. Love it so far. I have noticed however that in 4th gear while hitting gas and moving that the gear shifters knob vibates in my hand a little. If I pull the knob slightly towards rear of vehicle it goes away. It vibrates in a range of rpms, meaning it doesn't seem to do it at times but mostly does. When in other gears it does not do this. I don't want to have to go to dealer and make a big deal out of it unless it's something I need to worry about. Is this normal for this car? The vibration on a scale of 10 with 10 being worst, is about a 5. It's noticeable but not really that bad. Thoughts?