Features

• The Gentex K21 Auto-Dimming Rear View Mirror reduces eyestrain and driver fatigue
• High-tech sensors and advanced circuitry recognizes and eliminates dangerous rear-approaching light
• The K21 Auto-Dimming Rear View Mirror is equipped with a self-calibrating digital compass
• Integrated remote exterior thermometer digitally reports outside temps and ice warnings
• The K21 Auto-Dimming Rear View Mirror comes complete with detailed installation instructions and all mounting hardware
• Installation of the mirror's electronic components requires some hard wiring (see Installation Guide tab for details)
• 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 K21 Auto-dimming Rear View Mirror is backed by a 3-year / 36,000 mile warranty

Description

Headlight glare and your rear view mirror make a dangerous combination. Eliminate this volatile mixture with the Gentex K21 Auto-Dimming Rear View Mirror.

The K21 Auto-Dimming Rear View Mirror detects dangerous rear-approaching light and eliminates it with "intelligent" circuitry. What's more, less glare means less eyestrain and driver fatigue.

As if that weren't enough, the K21 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.

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 Auto-Dimming Rear View Mirror comes with 3-year / 36, 000 mile warranty. See what a difference the K21 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.