Just bought my first Leatherman and it’s already rusting — any suggestions?

Picked up a Wave + last week. Since I got it, I used it for a couple tasks in the car but nothing else. It stayed in the car, in a backpack, in the sheath this entire weekend but when I got home and had to use it, I noticed minor rust spots all around it. Is this normal? Should I try to return it? As a heads up it was pretty humid out but I was not close to the sea and the LM did not get wet. At the end of the day, I know it’s a tool and it is also super minor but considering it didn’t get wet and it’s already rusting is slightly concerning for a multitool that is definitely not cheap