Hyundai Santa Fe (TM): How vehicle radio 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.
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:
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Heater & A/C Control Unit (Manual). Components and components location
Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Description and operation
Description Back view camera will activate when the backup light is ON with the ignition switch ON and the shift lever in the R position. This system is a supplemental system that shows behind the vehicle through the H/UNIT or the ECM (Reverse Display Room Mirror) mirror while backing-up.
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