Or,
mom can use the shop vac in the garage when she gets home, or have a kid do it.
For what they charge for the option, mom can treat the entire team to pizza all season.
As for GM adding "suck", they don't need it. They already suck in my opinion.
They do not even offer a mini-van which can be registered as a station wagon for lower insurance premiums either.
Oh, is the Traverse that? It has less floor to roof space than a minivan.