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 Service Manual: Audio Remote Control Repair procedures
Inspection Type A 1. Check the audio remote control switch (A) for resistance between terminals in each switch position. [Audio]   Switch Connector terminal Res ...

Kia Cee'd JD Owners Manual: Front fog light
Fog lights are used to provide improved visibility when visibility is poor due to fog, rain or snow, etc. The fog lights will turn on when the fog light switch (1) is turned on after the position light is turned on. To turn off the fog lights, turn the fog light switch (1) to the O (Off ...

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