The Caulk does dry out. Hopefully you had agood tech do the factory caulking. My 2004 was showing signs of aging.
I coated all the caulking, especially the edges, with "KOOL-SEAL"
patching cement. A little more than half-a-quart did the whole thing.
Better safe than sorry, leaks are no fun !!
Roof has a lot of "chalking", cleaned it good and I am going to coat it with KOOL-Seal Roof Seal.
Best regards, Clyde