i dont know if all rear view mirror has this feature, but there are 5 buttons on it. 3 of them are the homelink buttons on the towards the left and 2 buttons on the far right side. what are rigtht 2 buttons for? the [ | ] and the [ O ]

-jeff

 

on and off to deactivate/activate automatic dim... it's useful when u have someone behind u w/ a blinding a$$ headlights

 

oh cool, thanks man!

-jeff

 

i wish i had homelink

 

I love it.. but i dont know if its only the homlink rearviews or all of them that rattle like crazy with a system installed.. mine rattle like crazy.. it just turn it up high enough where i dont hear the rattling mirror.. lol

 

+1