You purchased your Oral-B iO just a few months in the past and now, though it appears to be working usually, the centre of the Mode button has began to glow yellow. (Based on Oral-B, it’s a yellow mild, however it might look orange or amber).
Right here’s what it means and the best way to kind it out.
One of many benefits of shopping for an iO is the quantity of suggestions the comb will present. They characteristic quadrant alerts, to let you realize when to maneuver on to the following part of your mouth when brushing, an general two-minute brushing timer, and a stress sensor that glows pink once you press too onerous and inexperienced once you get it excellent.
Your brush may even let you realize when the battery is working low. That’s what it means when the ability button glows pink.
However what does it imply when the mode button – the second button beneath the ability key – lights up in yellow? Right here’s the way it appears on the Oral-B iO Collection 4 I exploit each day.

Emma Rowley / Foundry
The yellow mild is simply one other sort of suggestions your iO supplies for you. It’s letting you realize that it’s time to exchange your toothbrush head, as you’ve been utilizing it for round three months.
Older brush heads begin to lose their efficacy. They merely gained’t clear your enamel in addition to a recent brush head. You too can inform when it’s time to exchange the comb head if the bristles have began to splay or, relying on the kind of brush head you employ, when the color of the bristles has began to fade.
When you’ve changed your brush head, you’ll must reset the comb reminder. To do that on the deal with, press and maintain the mode button for 2 seconds. The comb will vibrate in response.
To arrange a brand new brush reminder, go into the Oral-B app and select “Gadgets” from the underside menu. This may take you to the app web page that shows brush head info. You’ll must have your iO handy and to modify it on so you possibly can sync it with the app.
The app will ask you once you started utilizing the brand new brush head and which kind it’s. When you undergo this course of, you’re all arrange and can get one other reminder in three months’ time.
For our high Oral-B suggestions, take a look at our round-up of one of the best Oral-B brushes, that are all absolutely reviewed and examined.