When is it necessary to replace the windshield wiper blades to maintain optimal visibility?

Question

DentroTest · Accepted Answer

Windshield wiper blades are an essential active safety element to ensure visibility in rain or dirt. General maintenance rules indicate they must be replaced immediately when the rubber is deteriorated (cracked, hardened, or broken), or when they leave uncleaned areas on the windshield, make noise, or vibrate. There is no fixed legal timeframe like 'every two years,' as wear depends on the climate (intense sun, frost) and usage, although it is recommended to check them annually, preferably before autumn. Waiting for the 'technical inspection' is incorrect and dangerous, as one must always drive with the vehicle in safe conditions.

When is it necessary to replace the windshield wiper blades to maintain optimal visibility?

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