What is necessary to ensure the steering column remains effective?

Ensuring that the steering column remains effective is primarily dependent on the structural integrity of the components that support it. The absence or looseness of u-bolts is crucial because these fasteners secure the steering system to the vehicle's frame, providing stability and proper alignment. If u-bolts are loose or absent, it can lead to misalignment and decreased control over the vehicle, potentially resulting in unsafe driving conditions.

While other options, such as regular oil topping, proper tire alignment, and calibration of the steering wheel, are important for the overall function and performance of a vehicle, they do not directly relate to the effectiveness of the steering column itself. U-bolts serve as a critical link in maintaining the necessary connections and positional stability for the steering system, making their condition vital for effective steering control.