What can happen if tire tread is too shallow?

When tire tread is too shallow, it compromises the contact between the tire and the road surface, which can significantly increase the braking distances of the vehicle. The tread on a tire is crucial because it channels water away and provides traction. Shallow tread reduces the tire's ability to grip the road effectively, especially in wet or slippery conditions. Consequently, when you attempt to stop, the vehicle may take longer to come to a complete stop, potentially leading to accidents.

The options that suggest increased acceleration or improved steering response do not apply in this scenario since inadequate tread leads to diminished control and handling. Similarly, the notion of enhanced grip in dry conditions is incorrect because shallower tread actually decreases the tire's ability to maintain proper contact with the road, which is essential for maximizing grip. Hence, the increase in braking distances due to shallow tire tread is a critical safety concern.