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: Ambient Temperature Sensor Repair procedures
Inspection 1. Turn the ignition switch OFF. 2. Disconnect the ambient temperature sensor. 3. Check the resistance of the ambient temperature sensor between terminal “+” and “-” whether it is c ...

Kia Cee'd JD Service Manual: Battery Repair procedures
Removal 1. Disconnect the battery (-)terminal (A) and then (+)terminal (B). 2. Remove the air duct and air cleaner assembly. (Refer to Engine Mechanical System - "Air Cleaner") 3. Re ...

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