Hyundai Elantra: Infotainment System / USB Port

Infotainment System

NOTICE If you install an aftermarket HID head lamp, your vehicle’s audio and electronic devices may not function properly. Prevent chemicals such as perfume, cosmetic oil, sunscreen, hand cleaner, and air freshener from contacting the interior parts because they may cause damage or discoloration...

Antenna

Shark fin antenna (1) The shark fin antenna receives data transmitted from base stations and satelliltes (for example: GPS, Sirus XM, LTE) and also transmits to base stations (for example: LTE)...

Other information:

Hyundai Elantra (CN7) 2021-2023 Owner's Manual: How vehicle radio works

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 and sent to your vehicle speakers. When a strong radio signal has reached your vehicle, the precise engineering of your audio system ensures the best possible quality reproduction...

Hyundai Elantra (CN7) 2021-2023 Owner's Manual: Immobilizer Indicator Light (with smart key)

This indicator light illuminates for up to 30 seconds: When the vehicle detects the smart key in the vehicle with the Engine Start/Stop button in the ACC or ON position. -- Once the smart key is detected, you can start the engine. -- The indicator light goes off after starting the engine...