New batteries. And make sure you set your car length to the stock position because your center rod might not be long enough for the lenght if you make it longer.
yo profox..turning does suck a little, to pep it up add an additional 9v battery, i've got the stage 2 motors, uninstalled because i wanna see if the stage 1 burns out from the 15v..so far no prob... might add anothre 9v if i find one...and the car FLY'S now....just got it tonight and already i need tires, it will do donuts and spin em i got the skyline...if u need help on how to install the 9v the easiest was IM on AIM name is spoonsivtecs