- Install two AAA 1.5V batteries (ensure correct polarity) and close the battery cover. The indicator will flash three times if installed correctly.
- Press and hold the frequency key (car select) for about 2 seconds until the indicator flashes.
- Turn on the car's power supply; the indicator will turn off.
- If unsuccessful, turn off the power supply and repeat steps 2 and 3.
- Color: Blue
- Brand: JIARUIXIN
- Type: Other
- MPN: Does Not Apply
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