Roadtrip · CK12

User Manual

Roadtrip Setup Guide

Pair your phone. Choose your sound. Install Roadtrip.

Use Roadtrip's built-in speaker or send phone audio to your car radio by FM.

Park your car while setting up and testing sound.

Avantree Roadtrip Bluetooth car speaker and FM transmitter

Phone

Pair Roadtrip with your phone

Roadtrip connects to one phone at a time. Turning it on does not always start pairing.

  1. Slide Roadtrip's OFF/ON/FM switch to ON.

    Look for: The LED flashes red and blue. Roadtrip says “Power on” and “Pairing.”

    If not: Hold the Bluetooth and microphone symbol button until the LED flashes red and blue.

    Watch: Turn on Roadtrip and enter Bluetooth pairing mode.
  2. Open Bluetooth settings on your phone and select Avantree Roadtrip.
    Watch: Find Avantree Roadtrip in your phone's Bluetooth settings.
  3. Wait for Roadtrip to say “Connected.”
  4. Play a short audio clip on your phone to test the connection.

Done: Roadtrip says “Connected”; its blue LED flashes about every five seconds, and audio plays.

If not: If the phone cannot find Roadtrip, see pairing help.

Sound

Choose where to hear audio

Use Roadtrip's speaker

Condition: Your phone is connected to Avantree Roadtrip and the switch is at ON.

  1. Play audio or make a test call on the phone.
  2. Rotate Roadtrip's knob to a comfortable volume.
  3. Adjust the phone volume if needed.

Done: You hear the phone through Roadtrip's built-in speaker.

If not: Check the phone's Bluetooth audio output and see quick help.

Next: Install Roadtrip →

Use your car's FM radio

Condition: Your phone is connected to Avantree Roadtrip, and the car radio receives FM.

Choose a clear channel on the car radio first. Then match Roadtrip to that channel.

  1. Slide Roadtrip's OFF/ON/FM switch all the way to FM (the rightmost position).
    Roadtrip OFF/ON/FM switch moved right to the FM (Car Stereo) position
    FM is the rightmost switch position.
  2. Tune the car radio to an unused FM frequency.

    Check: Listen for steady static, not a station or voices.

    Tip: Try below 90.0 MHz or above 107.0 MHz, within Roadtrip's 88.1–107.9 MHz range.

    Watch: Choose an unused channel on the car radio.
  3. Rotate Roadtrip's knob until its displayed FM frequency exactly matches the car radio.
    Watch: Match Roadtrip's display to the car radio.
  4. Play audio on the phone.
  5. Adjust the phone, Roadtrip, and car-radio volumes if needed.

Done: You hear phone audio from the car speakers without a radio station in the background.

If not: Check that the frequencies match. If you hear a station, see FM quick help and choose another clear channel on the car radio. Then match Roadtrip again.

Next: Install Roadtrip →

Install

Clip Roadtrip to the sun visor

Clip Roadtrip to the sun visor above the driver's seat.

Watch: Install Roadtrip on the driver's sun visor.

Done: Roadtrip stays clipped to the visor.

If not: Remove Roadtrip and clip it onto the visor again.

Quick help

Fix a Roadtrip problem

  • Caller can’t hear you? Answer with Roadtrip’s phone knob, not the phone.
  • Volume low? Turn up both the phone and Roadtrip volume.
  • FM noise? Use a clear channel below 90.0 or above 107.0 MHz.
  • Voice assistant not working? Connect the phone to Wi-Fi or mobile data.
More quick fixes →

Charging

Charge Roadtrip

Condition: Roadtrip’s LED flashes red for low battery, or it needs charging before setup.

  1. Connect Roadtrip’s USB-C charging cable to the supplied USB car charger.
    Watch: Charge Roadtrip with the USB car charger.
  2. Wait until all four battery LEDs are solid white.

Done: The battery LEDs stop flashing and remain solid white.

If not: Check the cable and charger connection; if no battery LED lights, contact support.

Still need help?

Get help with Roadtrip.

Send us your issue

A support agent will reply. Include Roadtrip / CK12, your phone model, the symptom, and the steps you tried.

Submit a ticket →

Contact support directly

Email or call us