I've got the 2018 Arctic Wolf and as KFX450RXC says, flip it on as your last to-do item.
Not sure if your invertor is mounted in the same place as mine, but be careful that your stuff in the front compartment doesn't bump the button on the invertor itself.
-2018 Arctic Wolf 265dbh8
-2017 Chevrolet Silverado 3500 High Country
SOLD-2015 Chevrolet Silverado 1500 w/ Max Trailering Package