What aspect of tires must be examined for adequate condition?

The adequate condition of tires is crucial for vehicle safety, efficiency, and performance. Tread depth is a vital aspect to examine because it directly affects the tire's ability to grip the road, particularly in wet or slippery conditions. Proper tread depth ensures effective water displacement, which helps to prevent hydroplaning and maintain traction during various driving conditions.

In many jurisdictions, legal minimum tread depth must be adhered to for safety compliance, but manufacturers often recommend deeper tread for optimal performance. Therefore, assessing tire tread depth helps ensure that the tires provide the necessary performance characteristics and contribute to overall vehicle safety.

While wheel alignment, inflation pressure, and tire branding are also important aspects of tire maintenance and can impact performance in various ways, the tread depth is specifically critical for traction and road safety, making it the key factor in evaluating the adequate condition of tires.