Gentex K31 Auto-Dimming Rear View Mirror w/Compass, Temp and Lights

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Gentex Auto Dimming Mirror w/Compass, Temperature and Lights
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Product InfoInstallation GuideManufacturer InfoReturn Information

Features

  • The Gentex K31 Auto-Dimming Rear View Mirror reduces eyestrain and driver fatigue
  • High-tech sensors and advanced circuitry recognizes and eliminates dangerous rear-approaching light
  • The K31 Auto-Dimming Rear View Mirror is equipped with a self-calibrating digital compass
  • Integrated remote exterior thermometer digitally reports outside temps and ice warnings
  • Driver and passenger-side map lights provide handy illumination
  • Installation of this windshield-mounted mirror's electronic components requires some hard wiring (see Installation Guide tab for details) - wiring experience or professional installation recommended
  • The K31 Auto-Dimming Rear View Mirror comes complete with detailed installation instructions and all mounting hardware
  • Available with the optional Gentex Wire Cover for the most professional-looking installation that conceals loose wires (not necessary for all vehicles—see note below)
  • Your Gentex K31 Auto-dimming Rear View Mirror is backed by a 3-year / 36,000 mile warranty

Description

Ordinary rear view mirrors are a pale reflection of this fully-loaded K31 Auto-Dimming Rear View Mirror.

The K31 Auto-Dimming Rear View Mirror detects dangerous rear-approaching light and eliminates it with "intelligent" circuitry. And, less glare means less eyestrain and driver fatigue. Plus, your night driving vision stays sharp.

In addition, the K31 Auto-Dimming Rear View Mirror comes with a self-calibrating digital display compass. The mirror even has an exterior thermometer that displays temps and ice warnings. As if that weren't enough, it's equipped with handy driver and passenger side map lights.

The windshield-mounted mirror comes complete with detailed installation instructions and all necessary hardware - perfect for the experienced do-it-yourselfer or professional installer with some wiring required. And, the k31 Auto-Dimming Rear View Mirror comes with 3-year / 36, 000 mile warranty. See what a difference the Auto-Dimming Rear View Mirror can make.

Notes

  • Installation of the mirror's electronic components requires some hard wiring (see Installation Guide tab for details)
  • The Gentex Wire Cover is highly recommended if there is 3" or more space between your mirror and the headliner. It conceals otherwise loose and visible wires running to the mirror. Select this part under "optional accessories" above.

Average Customer Rating

  (71)
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Ease of Installation Ease of Installation
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Great mirror

Posted on 02/09/2007 by Matthew B. - 1995 Ford Probe (Rockville,MD)

"This was a replacement mirror for the stock no frills mirror on my '95 Probe GT. All the features work great. The only drawback was the installation. I paid $250 for a shop to install the mirror but they did a great job."

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About Matthew B.
Vehicle
1995 Ford Probe
I use my vehicle for
commuting
 
A touch of class

Posted on 02/02/2007 by Steven Espinosa E. (Kingwood,TX)

"I recently purchased the Gentex k31 Auto-Dimming rear view mirror w/compass,temp and lights. I love the display of the temperature and the compass. Map lights come in handy. The Auto-dimming feature is especially good. Now, when a vehile is driving with their high beams on, my eyes are not bothered. Overall, I'm very happy with my Gentex k31. This is for sure, a touch of class in my Mazda3 itouring."

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About Steven Espinosa E.
 
no more flipping the lever

Posted on 01/30/2007 by Ruben G. - 2006 Ford Fusion (San Antonio,TX)

"It was easy to install and it's very functional. The maplights work great too. Ruben"

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About Ruben G.
Vehicle
2006 Ford Fusion
I use my vehicle for
going everywhere!
 
Gentex K31

Posted on 11/30/2006 by James L. - 2003 Chevy Impala (Reading,PA)

"Installation was easy on a 2003 base Impala. Wiring was already in place for map lights, I just positioned temp sensor and ran wiring. Attached sensor wires at #4 & 5 terminal in existing connector. All done, about an hour."

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About James L.
Vehicle
2003 Chevy Impala
 
Seamless

Posted on 11/20/2006 by George M. - 2006 Dodge Durango (North Sioux City,SD)

2 of 2 people found the following review helpful.

"I titled my review seamless because it was. From ordering online to having my local automotive electronics dealer install the mirror. Everything went 1-2-3 with no problems. My electronics dealer was so impressed with the mirror that they wanted to know how they could purchase them to sell. And the best part the mirror performs just great. George M."

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About George M.
Vehicle
2006 Dodge Durango
I use my vehicle for
traveling for my work.
 
Great mirror

Posted on 10/29/2006 by Eric M. - 2006 Honda Civic (El Cajon,CA)

"I installed this mirror in a 2006 Honda civic. The directions are excellent. They are easy to read and understand. They detail every step of the installation. The mirror works flawlessly. I like the digital compass and temp readout. And the autodimming feature as well."

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About Eric M.
Vehicle
2006 Honda Civic
 
What a luxury mirror for Nissan

Posted on 10/26/2006 by Joseph J. - 1999 Nissan Altima (Marietta,GA)

"My Altima GLE didn't equip with Auto-Dimming Mirror and didn't have Compass and Temperature displays in the car. I love to upgrade my car all the time. So, I bought the Gentex K31 Auto-Dimming Mirror, which it comes with all the great features I needed exactly. Now, my car looks even more luxury inside. I love the compass and temperature display, and the special color reading lights at night! I love this mirror! The installation was not as easy as I thought. I had the professionals from Best Buy installed for me for additional $100, where other places charge at least $150 to do the job. It took them about 1.5 hours to complete the whole installation. I highly recommend people take it to the professionals if you are not sure what you are doing because it requires some hard wiring and taking panels out and puting everything back nicely."

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About Joseph J.
Vehicle
1999 Nissan Altima
I use my vehicle for
Commuting, family, and traveling.
 
20 Minutes Flat!!

Posted on 10/01/2006 by David W. T. - 2006 Chevy Colorado (Olathe,KS)

1 of 1 people found the following review helpful.

"This was the easiest modification I've made to a car. My truck had a mirror with map lights already and the new mirror plugged right in! I wish the instructions had included information on this possibility, but it really didn't matter. I love the new mirror and would recommend one to anyone."

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About David W. T.
Vehicle
2006 Chevy Colorado
I use my vehicle for
Commuting, fishing, work, family acitivities.
 
For all Toyota's, it's just great!

Posted on 08/29/2006 by Monika S. - 2006 Toyota Tundra (Warszawa,AE)

"This mirror is great. It is worth every penny. Not only it dimms when it is necessary but help me go where I want to go thanks for a compass. You wont get blind with this mirror even when having a big truck behind you with its high beam light on. And my toyota truck does not have external temperature sensor so K31 is exactly what I needed. I bought this mirror to use with my Corolla, but recently I traded it for a Tundra truck and Gentex mirror works with it as excellent and with previous car. It is just equipped with Toyota style mounting foot so it should match all other Toyota's."

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About Monika S.
Vehicle
2006 Toyota Tundra
I use my vehicle for
boat towing, travel, family
 
Great product

Posted on 08/22/2006 by John D. - 1994 Jeep Wrangler (Boulder Creek,CA)

"I'm really happy with this mirror. It's a little wider than the OEM for my Wrangler, so the sun shades bump it on the way down. But it's nice to have the extra width. The compass is really great. Self calibrating! And the temp SEEMS accurate, from what I can tell. The temp sensor is instructed to be clipped to the under side of the bumper. It seems like that may be a target when 4 wheeling, but I haven't taken it out yet. I suppose you could put it anywhere. The quality of this mirror is excellent, though. Very happy with it."

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About John D.
Vehicle
1994 Jeep Wrangler
I use my vehicle for
Off-roading and camping.
 
Great Product!

Posted on 08/13/2006 by Kevin W. - 1999 Jeep Cherokee (Auburn Hills,MI)

"Product arrived very quickly. Instructions were easy to follow and I installed it with relative ease. Some wiring knowledge required. Would be better if some more detailed wiring instructions were includeded with installation instructions. All in all...a great product."

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About Kevin W.
Vehicle
1999 Jeep Cherokee
I use my vehicle for
Family
 
its everything they said it would be

Posted on 08/11/2006 by Dallas L. - 2003 Ford F250 (Bend,OR)

"Very easy to install. Took only 1 hour. everything worked as I expected. map lights are not super bright, but I knew that before hand. On big trucks the mirror is too far forward so the light almost shines on the dash. Great product, best price and very easy company to work with."

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About Dallas L.
Vehicle
2003 Ford F250
I use my vehicle for
Everyday dariving and pulling a 30' toy hauler
 
Great addition to my car

Posted on 07/21/2006 by Chris C. - 1995 Subaru Legacy (Bronx,NY)

"I just replaced my stock 1995 Subaru Legacy rear-view mirror with the Gentex K31 mirror and it is awesome. Easy to install and wire up. Only problem is the stiffness of the Gentex mirror. You have to adjust it carefully 'cause it may pop off the windshield if you used the mounting glue. (this happend the first time I glued it on)."

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About Chris C.
Vehicle
1995 Subaru Legacy
I use my vehicle for
Everything!
 
Recommended

Posted on 07/17/2006 by Jessica S. - 2006 Honda Civic (Austin,TX)

"arrived quickly, all parts provided, works great"

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About Jessica S.
Vehicle
2006 Honda Civic
 
Great product some installation difficulty

Posted on 07/07/2006 by Joel P G. - 2002 Toyota Solara (Novato,CA)

"Excellent product, works well, great mfg support.Some difficulty in installation.User installed."

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About Joel P G.
Vehicle
2002 Toyota Solara
I use my vehicle for
regular use
 
Allsome

Posted on 05/13/2006 by Terry F. (Coopersburg,PA)

"Really works great. Easy to install. Just toke a little over a hour to install."

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About Terry F.
I use my vehicle for
Every day use
 
K31 Faults

Posted on 05/02/2006 by C Richard B. (Camarillo,CA)

"The fault of the K31 is that the map lights can be turned on manually "only". My car is a convetible and the map lights on the original mirrow were serving as dome lights. I called MITO and was told for $60.00 I could get a replacement wiring harness that would correct my problem. Since AutoAnything knew I had a convertible, I should have been informed of this problem."

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About C Richard B.
 
Great

Posted on 03/24/2006 by Anne B. - 1996 Ford Ranger (Belleville,IL)

"This is a great addition to my car, 2002 Mustang convertable. I just wish I could have the map lights turn on with the stock lights"

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About Anne B.
Vehicle
1996 Ford Ranger
I use my vehicle for
ALL
 
Love it!

Posted on 03/14/2006 by Robin A. - 2004 Buick Rendezvous (Akron,OH)

"I had this feature when I had my 2003 buick lesabre, but when my car was totaled in 2003, I was devastated. I purchased another vehicle with the dimming feature but that deal fell through and then I purchased another lesabre but it did not have that feature also, nor my 2004 rendezvous. long story short, this mirror is awesome and it really helps with my nighttime driving as I have trouble with oncoming vehicle glare. I will purchase from this company again, customer service was awesome when I ordered the wrong mirror, no problem with exchanging or the refund process! I will in the near future be purchasing a GPS and will possibly order from this company! thanks again. rsa"

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About Robin A.
Vehicle
2004 Buick Rendezvous
I use my vehicle for
commuting, leisure, family
 
OEM-Quality Mirror

Posted on 03/08/2006 by William G. - 2002 Pontiac Grand Am (Metamora,IL)

"This is almost the exact mirror that came in one of my GM vehicles; even the connector was the same. Very high quality, relatively easy to install, assuming you can find a switched and non-switched source of power (not easy on some cars). Fits and works great on my 2002 Grand Am GT; this type of mirror was not an option on the Grand Am, so I bought it for my daughter now that she is driving it and needs to know the temp and direction."

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About William G.
Vehicle
2002 Pontiac Grand Am
I use my vehicle for
commuting
 
powered up

Posted on 03/02/2006 by Jason R. - 2006 Chrysler 300 (Redmond,OR)

"The mirror works perfectly. It met or exceded all of my expectations from how easy it was to install to workability in the vehicle."

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About Jason R.
Vehicle
2006 Chrysler 300
I use my vehicle for
personal
 
k31 mirror

Posted on 02/02/2006 by Mark K. (Spring Grove,IL)

"received mirror on time.Was easy to install looks great, and works. I would recomend it. m.k. ill."

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About Mark K.
 
K31 Auto dimming mirror review

Posted on 01/26/2006 by Brian C. (Clinton Twp,MI)

"I really like the mirror, the temp is accurate & the compass works good . the only drawback is the map lights are not as bright as I think they should be"

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About Brian C.
 
K31 Mirror with Compass/Temp. and map lights

Posted on 01/21/2006 by Shane D. (Everett,WA)

"I think that the mirror is awesome. I like the LED map lights, and that the digital display dims at night. I took my vehicle to the local Car Toys store and they installed it in about an hour."

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About Shane D.
 
EXACTLY AS ADVERTISED!

Posted on 01/12/2006 by Michael O. - 1995 Ford Bronco (Conroe,TX)

"This mirror is perfect! I replaced the original mirror on my Bronco and love it. The thermometer and compass are accurate, the LED map lights are bright and use very little power. I only have two complaints. The mirror didn't fit the metal mounting button on my windshield so I had to replace that. But there was one supplied with the mirror so this didn't cause too big a problem. Also, the little green light that shows the mirror has power bothers me a little. I darkened it with a black magic marker so that is no problem either. Try one, you'll love it!"

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About Michael O.
Vehicle
1995 Ford Bronco
I use my vehicle for
Daily driver
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