Advantages of power steering are as follows:
1. The power steering system reduces the number of turns of steering wheel required to move it from lock to lock (i.e. steering ratio on a vehicle having power steering us usually less).
2. Easy steering while parking, at low speeds or tight turns.
Disadvantages of power steering are as follows:
The components used in the power steering assembly are more costly than the ones used in the normal steering.
The most commonly power steering systems employed in automobiles are
1. Hydraulic power steering systems, and
2. Electrically assisted, electronic power steering systems (or simply electronic power steering systems).
