What do you need to know about auto dimming mirrors?
Some include a compass and temperature display, while others also include audio driver interface, garage door openers and headlight control sensors. Engineers have found that the sensors, micro-controllers and circuitry used in automatic dimming can be effectively combined with additional options while saving cost and space.
What kind of car has a rear view mirror?
Gentex was one of the first companies to pioneer and mass produce this technology to the automotive industry. Once a luxury item, auto-dimming rear view mirrors are common place on many cars today. Mirror shown in the video was from a Toyota Solara but is universally applicable to many other vehicles. http://home.howstuffworks.com/home-im…
How does a tint on a mirror work?
The technology is called electrochromics, which applies electricity in order to tint glass through a low-voltage power supply. The electricity moves through an electrochromic gel placed between two pieces of glass during manufacturing, which have been treated with an electrically conductive coating.
Do you need Homelink for auto dimming mirror?
Luckily for me the HRV had an auto dimming mirror (just no Homelink or compass) so the wiring wasn’t too bad. Took me about an hour as an intermediate DIYer. Once hooked up, programming of Homelink is standard and compass calibration just took driving in a couple of circles.
How does auto dimming mirror work on dome light?
If you have a dome light you will already have 1) and 3) and hopefully you have something else in the headliner like a previous auto dimming mirror or moon roof control to tap for 2). If you don’t, the cable they give you is long enough to run across the headliner and down the A pillar to your fuse box.
What do I need for a home dimmer and compass?
The wiring is a bit more tricky, you basically need 1) an always on battery wire to run the Homelink, 2) one that turns on with the ACC or On switch to run the compass/auto dimmer, and 3) ground.
Is the Gentex genk45amb5 auto dimming mirror?
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