You should be able to slide it horizontally and remove it from the channel to expose the nails from the second row down.
How to remove siding without tool. Work your way along the board until you have some clearance under it. This is how you use a vinyl siding removal tool. Before you replace the aluminum siding, inspect, and clean the panels.
I will show you the easiest way to replace dam. Using an oscillating tool with a metal cutting blade works best. Start by lifting an overlapped piece of vinyl on the top row.
Look at the edges, especially where the lap joint edge. .🟡 check out my amazon store! Cut through the nails holding the old siding in place.
Slide the pieces to find a gap. Next is to find the corner or the outermost edge of the aluminum siding and slide or wiggle a siding removal tool or underneath the bottom edge to. While holding up the upper siding to expose the nailing.
You can try sliding it side to side and back and forth to. Use a thin magic bar, tap it up under the bottom of the board, and pry very gently. The next thing to do is to slide the soffit so that there is a gap where you can put your fingers in.
Secure the buttlock of the upper panel to the top edge of the new panel, using the zip tool. If there is any damage to these. Here you will find tools.