A driver’s first indication of traction loss typically comes from what?

The first indication of traction loss primarily comes from motion-based sensory input. This encompasses the driver's ability to feel and perceive changes in the vehicle's handling through the steering wheel, brakes, and overall stability of the car. When a vehicle starts to lose traction, the driver will notice a change in how the vehicle responds to steering or braking inputs—typically feeling a loss of grip or sliding.

In contrast, sound signals from the tires may alert a driver to issues, but those sounds are often secondary and may not be the initial cue of traction loss. Visual cues from the road, while important for awareness of conditions, may not offer a timely indication of traction loss that affects handling. The vibration of the steering wheel can indicate problems with vehicle dynamics, but it is the direct feeling of motion that is most immediately noticeable when traction is compromised. Thus, relying on motion-based sensory input allows for quicker and more direct awareness of traction issues, which is critical for making necessary adjustments while driving.