Drivers stunned to learn what the 'secret' button on rear view mirror is really for
![Drivers stunned to learn what the 'secret' button on rear view mirror is really for](https://www.thesun.co.uk/wp-content/uploads/2023/03/high-quality-image-rear-view-802193738.jpg)
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 –…
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Drivers warned cars have a secret button under rear view mirror
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Drivers warned cars have a secret button under rear view mirror