Hyundai Elantra: Engine Mechanical System / Cooling System

Cylinder Block Repair procedures

Disassembly     • Use fender covers to avoid damaging painted surfaces. • To avoid damaging the cylinder head, wait until the engine coolant temperature drops belo ...

Coolant Repair procedures

Refilling And Bleeding     • Never remove the radiator cap when the engine is hot. Serious scalding could be caused by hot fluid under high pressure escaping from the rad ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Smart key
To lock the doors, press the button on the outside door handle while carrying the Smart Key with you or press the Door Lock button on the Smart Key. Press the button on the driver's outside door handle while carrying the Smart Key with you or press the Door Unlock button on the Smart Ke ...

Hyundai Elantra AD (2016-2020) Owners Manual: Door Locks
Operating Door Locks from Outside the Vehicle Mechanical key If you lock the driver's door with a mechanical key, all vehicle doors will lock. If you unlock the driver's door with a mechanical key, the driver's door will unlock and the passenger doors will unlock according to the ...