Being a 2022, it should be a warranty item.
Yes you might be able to use sealant, but if that doesn’t fix it, and you take it in the dealership might (emphasizing might) deny the claim and tell you it’s on your dime.
I would take it in ASAP. The split in the gasket should be at the bottom not the top
2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel.
Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS.
Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.