idling

I just purchased a 2009 Genesis 4.6 with 37k miles and love the car, but noticed the steering wheel vibrates while idling in drive. When I shift to neutral the vibration goes away. The rear wheels also vibrate while the car is in motion. I did not purchase the car from a Hyundai dealer, but...

I've had my new 4.6/Tech for three weeks now and am still finding new features and buttons, even though I have read both user's manuals cover to cover. And I've learned tons of info by spending hours on this forum. But I've not been able to figure out how to go from the engine idling with the...