I got my car 3 weeks back. Last night as I gently accelerated (after stoping at a red light ), there was an unusual vibration on the steering wheel ( not subtle) accompanied with what appeared to be noise coming from front left tire. Has anyone else experienced this? I letft a voice mail with the service center and waiting to hear back. I tried driving around trying to replicate the problem for about 30 mins after it happened and could not. We are planning on a 1k+ roadtrip shorty - should I be worried?