Troubleshooting
Repair proceduresHyundai Elantra AD (2016-2020) Owners Manual: Interior Lights
WARNING
Do not use the interior lights when driving in the dark. The interior lights
may obscure your view and cause an accident.
NOTICE
Do not use the interior lights for extended periods when the engine is turned
off or the battery will discharge.
Interior lamp AUTO cut
The interior lamps ...
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.
...