Kia Cee'd: How Vehicle Audio Works / AM (MW, LW) reception

AM broadcasts can be received at greater distances than FM broadcasts. This is because AM radio waves are transmitted at low frequencies. These long, low frequency radio waves can follow the curvature of the earth rather than travelling straight out into the atmosphere. In addition, they curve around obstructions so that they can provide better signal coverage.

FM reception
AM and FM radio signals are broadcast from transmitter towers located around your city. They are intercepted by the radio antenna on your vehicle. This signal is then received by the radio ...

FM radio station
FM broadcasts are transmitted at high frequencies and do not bend to follow the earth's surface. Because of this, FM broadcasts generally begin to fade at short distances from the station. ...

Other information:

Kia Cee'd JD Owners Manual: Limitation of Active ECO operation
If the following conditions occur while Active ECO is operating, the system operation is limited even though there is no change in the ECO indicator. When the coolant temperature is low: The system will be limited until engine performance becomes normal. When driving up a hill: The ...

Kia Cee'd JD Owners Manual: ISG system malfunction
The system may not operate when: The ISG related sensors or system error occurs. The following will happen: The yellow AUTO STOP () indicator on the instrument cluster will stay on after blinking for 5 seconds. The light on the ISG OFF button will illuminate. ✽ NOTICE ...

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