prob control arm/ u joint assembly needs to be replaced Wheels not aligned correctly. Tyre inflation incorrect
Your power steering pump and or steering box may be about to give out on you.
I don't know precisely about the Sedona, but generally the button on top of the steering column activates the flashing hazard lights.
Bad tire, wheel, bearing, steering component,..............
left side of the dash under the steering wheel
Kinetic Energy helps the car wheel spin...
The Steering Wheel lock is jammed! Gently wiggle the steering wheel back and forth as you try to turn the ignition key.
Low steering fluid can cause a steering wheel to whine when turning. A worn steering belt can also cause a steering wheel to whine when a car is being turned.
loose nuts
The steering wheel was turned.
Tires out of balance
Any number of things can cause a steering wheel to shake back and forth. It could be a bad wheel bearing indicating a wheel is about to fall off. It could be a bad tire or bushing. Without checking it out personally, I can't tell.
Failure of the Power Steering system.