I have Logitech Driving Force (the Gran Turismo wheel). The problem is, quite often when I launch LFS the steering is not very linear (small turn of the wheel and car turns lot more) and I have to set the steering linearity settings every time about 5 higher. Does anyone know what should I do?

Does turning wheel once from lock to lock solves this?

Quote from Eclipsed :

Does turning wheel once from lock to lock solves this?

No.

Is there some way to remove all data related to steering and the wheel so I could start from zero.