Pairing with the Varia App

You can pair the Varia™ RearVue 820 radar tail light with the Varia app on your phone. The Varia app allows you to view the radar screen, change settings, and update the device software.

  1. Go to garmin.com/VariaApp, or scan the QR code to download and install the Varia app on your phone.

    Varia app QR code
  2. Bring your phone within range (0.3 m) of the radar tail light.
    NOTE: Stay 10 m away from other Bluetooth® sensors while pairing.
  3. While the Varia RearVue 820 radar tail light is turned off, hold the device button for 2 seconds to enter pairing mode.

    The device status LED flashes Purple.

  4. Open the Varia app on your phone.
  5. Follow the on-screen instructions to pair the radar tail light.
    NOTE: If you already use the Varia app with another device, select Settings menu symbol > Devices > Add Device.

While the Varia RearVue 820 radar tail light is connected to your phone, the Varia app displays the radar screen (Varia App).

You can use the Varia app to customize the light modes on the Varia RearVue 820 tail light (Light Modes).

GUID-50AF77F9-6AD5-45A2-B352-C882BE5DE2B7 v1
February 2026