Other information:
Hyundai Elantra AD (2016-2020) Owners Manual: Battery
WARNING
To prevent SERIOUS INJURY or DEATH to you or bystanders, always follow these
precautions when working near or handling the battery:
Always read and
follow instructions carefully when handling a battery.
Wear eye protection
designed to protect the eyes from acid splashes.
Keep all f ...
Hyundai Elantra AD (2016-2020) Service Manual: Refrigerant Line Repair procedures
Replacement
1.
If the compressor is marginally operable, run the engine at
idle speed, and let the air conditioning work for a few minutes, then
shut the engine off.
2.
Disconnect the negative (-) battery terminal.
3.
Recover the refrigerant with a recovery / charging station.
...