The information provided may differ depending on which functions are applicable to your vehicle.
Hyundai Elantra AD (2016-2020) Service Manual: External AMP Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Open the trunk, remove the right luggage side trim.
(Refer to Body - "Trunk Trim")
3.
Remove the external amplifier (B) after disconneting the connector (A) and loosening the mounting nuts.
Installation
1.
Install the exte ...
Hyundai Elantra AD (2016-2020) Owners Manual: Owner Maintenance
WARNING
Performing maintenance work on a vehicle can be dangerous. If you lack sufficient
knowledge and experience or the proper tools and equipment to do the work, have
it done by an authorized HYUNDAI dealer.
ALWAYS follow these precautions for performing maintenance work:
Park your vehi ...