LOCK
To turn the ignition switch to the LOCK position, put the key in at the ACC position and turn the key towards the LOCK position. The ignition key can be removed in the LOCK position. (The shift lever must be in the P (Park) position for Intelligent Variable Transmission (IVT)/dual clutch transmission vehicles)
ACC
Electrical accessories are usable. The steering wheel unlocks.
ON
This is the normal key position when the engine has started. All features and accessories are usable. The warning lights can be checked when you turn the ignition switch from ACC to ON.
Do not leave the ignition switch in the ON position when the engine is not running in order to prevent the battery from discharging.
START
To start the engine, turn the ignition switch to the START position. The switch returns to the ON position when you let go of the key.
The engine will crank until you release the key.
Key Ignition Switch
Starting the engineHyundai Elantra AD (2016-2020) Service Manual: Troubleshooting
Troubleshooting
Problem Symptoms Table
Use the table below to help you find the cause of the
problem. The numbers indicate the priority of the like cause of the
problem. Check each part in order.
If necessary, replace these parts.
SymptomSuspect AreaReferenceLower pedal or spongy pedal ...
Hyundai Elantra AD (2016-2020) Owners Manual: If the Engine Overheats
If your temperature gauge indicates overheating, you experience a loss of power,
or hear loud pinging or knocking, the engine may be overheating. If this happens,
you should:
1. Pull off the road and stop as soon as it is safe to do so.
2. Place the shift lever in P (Park) and set the parking ...