If your steering to heavy or hard to turn it could have been due to a failure in your power steering system, but the vibration and wobbling at high speeds sounds like you had a tie rod end or ball joint fail while you were driving which would allow one or both of your front wheels ...
Take Researchers in the Power Sources R&D group at Sandia National Laboratories have been driving nails into batteries, heating them to extreme temperatures, overcharging them and putting them into some of the most adverse conditions possible to see how much abuse they can take before they blow up...