Sometimes when I pull out of my driveway and turn the stearing wheel I hear a slight rubbing sound.It doesn't do it again until the car sits for a while.Back when the car was still under warranty I took it to the dealer and told them about the problem.One of the service managers said "It's nothing to worry about and it's just normal".I told him to jump off a cliff and I asked another "Service Manager" and he had someone take a look at it.The manager told me that a part needed greased and only a special kind of G.M. grease will fix this and if this happens again I had to bring it back if I want it greased again.Sounds like a load of [censored]!Anybody know if I need a special grease and what part needs to be greased?