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Customer Reviews

Gentex ADVGEN20A

Auto-dimming rear-view mirror with temperature/compass display

MFR # ADVGEN20A

Gentex ADVGEN20A

Gentex ADVGEN20A

Auto-dimming rear-view mirror with temperature/compass display

MFR # ADVGEN20A

4.5 out of 5 stars
17 reviews
View this product

Gentex and Crutchfield are the BEST

John from Nazareth, PA on 3/4/2023

Verified customer (What's this?)
Verified employee review (What's this?)

Gentex Mirror.... Excellent quality and performs as described. Auto dimming, compass and temp all work fine. Install... Thanks to the number of quality youtube videos, anyone with a little skill can install this mirror. Planning the install and looking at the documentation the process went smoothly. Crutchfield Sales and Tech Support... Here's where the story gets better. You could not ask for a more rewarding experience from order to delivery; the people who you talk with are all first class. Tech support was FANTASTIC. They are pleasant, patient and very knowledgeable. They actually answer the phones quickly, listen you your problem and are fully dedicated to helping you solve your issue I have never had such a great experience with a company when buying products.

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Crutchfield response on

1 of 1 found this helpful

Gentex ADVGEN20A

Michael from Norman, OK on 1/13/2022

Verified customer (What's this?)
Verified employee review (What's this?)

IT WORKS GREAT JUST WHAT I NEEDED FOR MY OLDER PICKUP

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Crutchfield response on

2 of 2 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Joplin, MO on 10/6/2021

Verified customer (What's this?)
Verified employee review (What's this?)

After market rear view mirror, same brand as one on truck since 2004. Well satisfied with Centex

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Crutchfield response on

3 of 4 found this helpful

Go with open box and save the money

Crutchfield customer from Bend, OR on 10/1/2021

Verified customer (What's this?)
Verified employee review (What's this?)

Super easy to install if you are any sort of familiar with accessory modifications! My 2015 Tacoma already had power routed up so I just had to tie into the wire, then route the temperature probe wire through the firewall and route it up behind the grill and tie down.

Pros: Ample wiring lengths, easy to install with minimal tools and took only 35 minutes total.

Cons: No cons so far! Works and looks exactly as described.

Crutchfield response on

5 of 8 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Staten Island, NY on 4/5/2021

Verified customer (What's this?)
Verified employee review (What's this?)

Fit perfectly on my 2017 Corolla.

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Crutchfield response on

4 of 5 found this helpful

Wrong Product - Right Service

Crutchfield customer from High Point, NC on 12/13/2020

Verified customer (What's this?)
Verified employee review (What's this?)

The product was not the right product, but the return was simple! The service representatives were incredibly professional, polite, and helpful. This is a good company with great people. The error was not Crutchfield's fault. They shipped what I ordered based on a manufacturer's suggestion. Crutchfield was great.

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Crutchfield response on

5 of 7 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Frederick, CO on 12/1/2020

Verified customer (What's this?)
Verified employee review (What's this?)

Love it , bought a kia k-5 2021 did not come with compass very disapointed found your mirror online, easy to install works great verry satisfied

Pros: easy install

Cons: none

Crutchfield response on

4 of 4 found this helpful

Excellent upgrade - all in one unit

Crutchfield customer from Albion, MI on 10/25/2020

Verified customer (What's this?)
Verified employee review (What's this?)

This provides an excellent upgrade to any older vehicle/classic car/truck. I installed this in a 2011 Ranger XLT. So easy to install once you find an ignition wire and a path to the engine compartment - took me about 45 minutes begin to finish. Instructions are excellent and easy to discern.

Pros: Looks factory - temperature and compass are easy to read, not obnoxious - great rear view. Auto dimming works great!

Cons: Could be (maybe) a little larger for better panoramic rear view - but seriously - no regrets!

Crutchfield response on

9 of 9 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Lock Haven , PA on 7/29/2020

Verified customer (What's this?)
Verified employee review (What's this?)

Very easy to install at a good price

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Crutchfield response on

3 of 3 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Maurice, LA on 4/14/2020

Verified customer (What's this?)
Verified employee review (What's this?)

This mirror is a really nice upgrade from the factory one on my 2008 Mustang GT. Compass is dead on and the temperature is pretty accurate as well. The only reasons for not awarding 5 stars is the instructions are a little vague and they do not include a $10 wire cover in the kit. I had to order it separately.

Pros: Nice upgrade. Gives good readings.

Cons: Vague instructions, no wire cover included in the kit.

Crutchfield response on

6 of 8 found this helpful

Gentex ADVGEN20A

Glenn from San Antonio, TX on 3/20/2020

Verified customer (What's this?)
Verified employee review (What's this?)

Received my new Gentex ADVGEN20A from Crutchfield today and installed it in my new Tacoma, the dealer was going to charge me 600 bucks for a after market dimming mirror so instead I installed this mirror myself. Took me about an hour to install it and used a fuse tap for power. The temp was really easy to run through the firewall and is accurate. It was really easy to calibrate the compass just drove in a circle after setting the correct region. I must say this mirror gets nice and dark when cars or trucks are behind me and they dont have to be up close. I drive 40 miles one way to work on the freeway and now the 18 wheeler lights look dim in the mirror. I was a little worried about the mounting but it sled right into place using the factory mount.when installing the temp just plug them into pins 6 and 7 doesn't matter which one goes where in the pins 6 and 7. You can also get a fuse tap and this will allow you to plug into your fuse box directly and they are cheap just google it. I ordered the wire cover online to hide the wires from the mirror to the headliner and it looks professional installed. Thanks Crutchfield for have a great price on this mirror and the fast shipping.

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Crutchfield response on

7 of 7 found this helpful

Need to return

Crutchfield customer from Tavares, FL on 2/18/2020

Verified customer (What's this?)
Verified employee review (What's this?)

Although I spoke with your representative and was told this mirror would fit my RAV4, when I took it to the dealership service dept. they said it would not.

Pros:

Cons: Will nor work on my car

Crutchfield response on 2/19/2020
Once we saw this review, our Customer Support specialist, Bryan, reached out to this customer to set up a return. Purchases from Crutchfield can be returned or exchanged within 60 days of the purchase.

8 of 11 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Rustburg, VA on 2/6/2020

Verified customer (What's this?)
Verified employee review (What's this?)

Performing beautifully. Just what I wanted.

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Crutchfield response on

1 of 2 found this helpful

Rear view mirror

Crutchfield customer from Denver, CO on 7/31/2019

Verified customer (What's this?)
Verified employee review (What's this?)

When I play my music with my base hitting hard my rearview mirror moves I'm not happy about that

Pros: It good for people that don't have a lot of power in there car stereo

Cons: It's not working out for me

Crutchfield response on

5 of 14 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Sierra Vista, AZ on 4/14/2019

Verified customer (What's this?)
Verified employee review (What's this?)

Excellent product and exceptional help in installation.

Pros: Technical help over the phone after normal business hours.

Cons: Printed instructions or a reference to online instructions should have included with product.

Crutchfield response on

6 of 6 found this helpful

Gentex ADVGEN20A

Crutchfield customer from Missoula, MT on 9/20/2018

Verified customer (What's this?)
Verified employee review (What's this?)

very happy with my purchase. The rep did a great job to get the right one. Thank You

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Crutchfield response on

4 of 6 found this helpful

Gentex ADVGEN20A

George from Duvall, WA on 6/11/2018

Verified customer (What's this?)
Verified employee review (What's this?)

Great service and great product

Pros: Works great

Cons:

Crutchfield response on

2 of 4 found this helpful

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