Examination
1. Turn on the windshield washer and wiper. The washer jets should be directed correctly, and the wiper blades should work smoothly, without sticking, in all modes, including intermittent mode.
2. Repeat the test for the rear window washer and wiper.
3. Repeat the test for the headlight washers and wipers.

4. Check the condition of all windshield wipers and make sure they are not damaged or cracked.
5. Check the reliability of the windshield wiper arm fastening.
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