Trip reset button tricks

I was just messing around with the the trip reset button trying to find a magical way to turn off the seatbelt chime like I did in my 2010 and discovered something (I know- gotta have the dealer do it).

Vehicle off, turn key to ACC on, press button to show trip mileage, press and hold, turn key off then back on to ACC while holding, and you'll see five dashed lines blinking. Withe each blink, one dashed line will disappear. Until they're all gone, and then the display will fill with zeros. But I have no idea what this does. Anyone know?

 

You are resetting your oil change reminder light.

 

Thanks! Good to know.