because wheels need balancing
you need to re-aline the wheels
Wheels need to be balanced, especially if shaking increases with speed..Tom.
Wheels are not balanced or ball joints
get your wheels balanced
Anxious/Anxiety
You have a mechanical defect such as a worn wheel bearing or your wheels are not correctly balanced.
I had a minor one, balanced the wheels and it went away, you may also have a tire separation. I have heard of major shaking issues with the CTS though
keeps shaking Coconut trees until you get a golden pineapple
The only that I know of is that you need an alignment.
Shaking at speed - probably due to poor wheel alignment or wheels needing balancing
Its handbreak! Friction between the wheels and the road.