There was snow in the weather forecast. I didn't think it would be that bad, especially towards Central Jersey but I wasn't going to go that far in case my route back got messy. So I just headed out in the morning for the Inside the Heart of Wallington geocache in the town of Wallington. According to the cache page, it was a 1/4-mile walk on a trail between residential areas but I saw a closer entry point from an adjacent sports field so it turned out to be pretty quick.
After that, I got takeout from the Chinese supermarket (very crowded because people were rushing to get groceries before the snow) in River Edge before heading home, arriving a mere half an hour before the snow really got started.
I saw a "Check VSC System" warning message. It only shows up if I don't release the parking brake before starting the car, so it's probably not a major problem. I'll have it looked at on a weekday evening.