Injury hazard from pinching and crushing, in extreme cases extremities can even be cut off when caught in windshield wiper mechanism. - AS82.30-Z-0001-01A

Always remove ignition key when working on windshield wiper mechanism. 

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Risk of injury 

When working in the area of the windshield wiper mechanism, the wiper arm or the wiper linkage can be pressed out of its end position and unintentionally start moving with ignition key position "1" or "2". Serious injuries may occur here due to cutting, pinching or crushing of body parts.

Safety instructions/precautions 

• Always remove ignition key when working on windshield wiper mechanism.
• Secure the operating area of the mechanism against interference.
• Maintain a sufficient distance from the moving parts.
• Monitor hazard area.
• Wear snug-fitting clothes and a hair net.