SpecificationsHyundai Elantra AD (2016-2020) Service Manual: Speaker Repair procedures
Inspection
1.
Troubleshooting for Speaker
(1)
Basic inspection of speaker
Inspect 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.
...
Hyundai Elantra AD (2016-2020) Owners Manual: Engine Coolant
The high-pressure cooling system has a reservoir filled with year-round antifreeze
coolant. The reservoir is filled at the factory.
Check the antifreeze protection and coolant level at least once a year, at the
beginning of the winter season and before traveling to a colder climate.
Checking th ...