Hyundai Elantra: AVN System / AVN Antenna
Components and components location

Repair procedures
Roof Antenna
1. | Disconnect the negative (-) battery terminal. |
2. | Remove the roof trim. (Refer to Body - "Roof Trim Assembly") |
3. | Disconnect the roof antenna connector (A). 
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4. | Remove the roof antenna (A) after loosening a nut (B). 

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Crash Pad Antenna
1. | Disconnect the negative (-) battery terminal. |
2. | Remove the main crash pad assembly. (Refer to Body - "Main Crash Pad Assembly") |
3. | Loosen the mounting screws and then remove the crash pad antenna (A). 
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Roof Anenna
1. | Connect the roof antenna connectors. |
2. | Install the roof trim assembly. •
| Make sure that the cables and connectors are plugged in properly. |
•
| Check the audio system. |
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Crash Pad Antenna
1. | Connect the roof antenna connectors and install the roof antenna. |
2. | Install the main crash pad assembly. |
Repair procedures
Inspection1.Troubleshooting for Speaker(1)Basic inspection of speakerInspect the sound from speaker after verifying that the speaker mounting screws is removed and the wiring connector is connected precisely to remove vibration transmitted from body trims and surrounding parts...
Other information:
When the ignition switch is placed to
the ON position, the ESC indicator light
illuminates, then goes off if the ESC
system is operating normally.
The ESC indicator light blinks whenever
the ESC is operating.
If ESC indicator light stays on, your
vehicle may have a malfunction with
the ESC system...
Description and operation
DescriptionTPMS Receiver : BCM(body control module) integrated management1.Early state•
Platform information and sensor ID are not input.2.Normal State•
To detect tire air pressure and DTC, the receiver must be in normal operation...