Illinois CDL Practice Exam 2026 - Free CDL Practice Questions and Study Guide

To prepare a vehicle for adverse weather conditions, it is essential for the driver to check the tire tread and fluid levels. Good tire tread depth is critical for maintaining traction, especially on wet or icy roads, as it helps to channel water away from the tire and reduces the risk of hydroplaning. Having properly checked fluid levels, including brake fluid, oil, and windshield washer fluid, is also vital. For instance, adequate windshield washer fluid ensures that visibility is not compromised by grime or precipitation, which can be particularly important in adverse weather conditions.

This preparation ensures that the vehicle can handle the additional stresses put upon it by factors like rain, snow, or ice, and contributes significantly to the safety of the driver, passengers, and other road users. Proper vehicle maintenance and preparation can prevent breakdowns and accidents attributable to weather-related challenges.