Examination
1. Turn on the windshield washer and wiper. The washer jets must be directed correctly and the wiper blades must operate smoothly, without sticking, in all modes, including intermittent operation.
2. Repeat the test for the washer and rear window wiper.
3. Repeat the test for the headlight washers and wipers.
4. Check the condition of all wiper blades and make sure they are not damaged or cracked.
5. Check up reliability of fastening of levers of a screen wiper.
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