

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) Owners Manual: Distributing the sealant
9. Immediately drive approximately 7~10 km (4~6 miles or, about 10min) to evenly
distribute the sealant in the tire.
Do not exceed a speed of 80 km/h (50 mph). If possible, do not fall below a speed
of 20 km/h (12 mph).
While driving, if you experience any unusual vibration, ride disturbance ...
Hyundai Elantra AD (2016-2020) Service Manual: Underdrive Brake Control Solenoid Valve(UD/B_VFS) Description and Operation
Description
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Underdrive brake control solenoid valve(UD/B) is attached to the valve body.
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This variable force solenoid valve directly controls the hydraulic pressure inside the underdrive brake. ...