So depending on the manufacturer, one of these:

* Double press the button (like double-click)

* Long press the button

* Press the button 5 times really fast.

The article says this is in Japan, but would these not work anywhere?

Also, the Honda CR-V ad on this page (on mobile at least) is a new kind of annoying that I hope doesn't catch on, where it "frames" the web page, occluding the text you're trying to read. It sort of reminds me of dot-com era ad tactics, where no amount of annoying your customers is off-limits.