Advent ADVGEN45AB5 Gentex Auto Dimming Rear View Mirror with Compass and Homelink 5 (Blue Buttons) The ADVGEN45AB5 Mirror kit are compatible with most vehicles on the road today. This system offers added convenience and safety to the way you use your rear view mirror. Offering auto-dimming technology, clearly visible blue-back-lit buttons, a compass and syncing to any HomeLink connected devices. FEATURES Auto-Dimming Compass Homelink Back Lit Buttons