MOTORISTS have been blown away after discovering what the secret button on a rear view mirror really does. Some cars have a special button that will dim the mirror to reduce headlight glare –… ...

News; Weird News; Cars; Drivers flabbergasted by 'mystery' button on rear-view mirror - that only works sometimes A number of drivers have been turning to the internet for advice over a little ...

Motorists have been taking to social media to ask about what the mystery button does. It looks like a power button and is found, in various models, on the bottom of the rear view mirror.

Getting Google Image's View Image button back in Chrome & Firefox. If you are a Chrome or Firefox user, we think the best extension to bring back the View Image button is the "View Image" extension.