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The insert should now slide out smoothly. Do not try to lift it out, but gently slide it out from the end of the blade.

As you slide it out, you will see the splines (one on each side) coming free. Try to keep those in the insert until it's about 50% removed. You can then slide them out -- carefully! -- and set them aside.

Try not to drop the splines or otherwise damage them. They are not sold separately.

Since you have the blade insert fully removed, now's a good time to clean the wiper blades, inside and out. I like using a small interior detailing brush in the slot and brackets, but an old soft toothbrush will suffice.

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