1.
Also,
see to. Attend to, take care of, as in I'll see about the refreshments if you'll handle the tickets, or Will you see to the outdoor chores? The variant is also put as
see to it, as in Yes, I'll see to it that everything's done. [First half of 1800s]
2.
Investigate, as in I'm not sure, but I'll see about the cost of renting a van. Also see look into.