

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 Key, the driver's door will unlock. If you press the button on the front passenger's outside door, all doors will unlock.
Once the doors are unlocked, they may be opened by pulling the door handle.
When closing the door, push the door by hand. Make sure that doors are closed securely.
Information
Door Locks
Operating Door Locks from Inside the VehicleHyundai Elantra AD (2016-2020) Service Manual: CVVT (Continuously Variable Valve Timing) System Description and Operation
Description
Continuous Variable Valve Timing (CVVT) system advances or
retards the valve timing of the intake and exhaust valve in accordance
with the ECM control signal which is calculated by the engine speed and
load.
By controlling CVVT, the valve over-lap or under-lap occurs,
which m ...
Hyundai Elantra AD (2016-2020) Owners Manual: Child Restraint System (CRS)
Children Always in the Rear
WARNING
Always properly restrain children in the rear seats of the vehicle.
Children of all ages are safer when restrained in the rear seat. A child riding
in the front passenger seat can be forcefully struck by an inflating air bag resulting
in SERIOUS INJURY or D ...