UK Driving Theory Practice Exam

When should you replace windshield wipers?

When they are cracked When they leave streaks on the glass Once a year When there is a noise while using them

Correct Answer:

When they leave streaks on the glass

Explanation:

Replacing windshield wipers when they leave streaks on the glass is crucial because this indicates that they are no longer effectively clearing water and debris from your windshield. Streaks can severely impair visibility, especially during rain or adverse weather conditions, increasing the risk of accidents. Effective wipers are essential for maintaining a clear view of the road ahead and ensuring safe driving. While cracked wipers, noise during use, and a routine annual replacement may also suggest maintenance needs, these factors do not directly address the critical function of providing clear visibility. Streaky wipers indicate that they are not performing their primary job effectively, making this the most compelling reason to replace them.

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