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Repair guides and support for vehicles manufactured by Hyundai Motor Company.

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Hyundai i30 FM radio channels change unexpectedly?

how can i stop my hyundai i30 from changing radio channels in poor reception areas.

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I have a 2015 Sonata sport that I bought new. Recently my radio started changing station from FM to either AM or Sirius on it's own. What is the problem?

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I am going to make a lot of assumptions in order to provide a plausible solution, the primary one being you are asking about FM channels.

FM receivers have a built in Automatic Frequency Control (AFC) function to keep the signal centered in the passband in order to maximize fidelity and ensure sub-carrier signals are received and processed. The AFC will be captured by the strongest signal in the passband causing the radio to retune itself as you describe.

The easiest thing for you to check is the condition of the components and connections of the receiver antenna system. While there could be a problem inside the radio, finding one there is much less likely than finding a broken, loose or disconnected antenna, a crimped or cut coaxial cable, or a damaged or loose antenna connector at the radio.

Good luck.

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Thanks a lot. Pressing the TA button really did it for me

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Did it! Worked! Thanks!

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Press the TA button next to the CD/AUX.

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Bill Craven will be eternally grateful.
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