Mine did that. First 200 miles or so. Now I'm at about 600 and it's where it should be. Call the dealer? Why? They will say "bring it in" and then keep it for a few hours, give it back to you and shrug their shoulders.
Upgrade to silicone. They last for years. I use PIAA brand. In 2016 I put a set on my Tacoma. I just sold it. Same blades. Still working perfectly. We use our wipers 9 months of the year around here.