From the translations on the second page, it seems like the Commander had absolutely no idea what was being planned when he was told to come along, since he's been at sea almost all his life and has little idea about anything else.
So he's turned up thinking it was some sort of casual party in his usual car, even went out to get some supplies for it beforehand, when it actuality it's a fancy race, so he's EXTREMELY out of place here.
fidgetyaura!Marketsmell ♡The Commander should arrive soon to cheer us on. I hear he's coming in his very own car, even.The Commander's car... ♡/!\ FantasyZuikaku, come with me and...hop in my car for a night ride ! ☆sparkleThe Commander's car...It must be wonderful, second to none among the cars present here ♥camera shuttersAre these supplies for a food stand?RUMBLING ENGINEKEI TRUCK
For "light", a type of compact Japanese vehicle.Delicious VeggiesThis is the Commander's-
Duke of York says -kun, Taihō adds -sama