When the speed of the vehicle is above approximately 12 MPH (20 km/h) for 1 second,
it will automatically lock all doors. For activation of this feature, contact an
authorized Hyundai dealer.
All doors will be automatically unlocked when the impact is delivered to impact
sensors while the ignition switch ON. However, the doors may not be unlocked when
there are some problems of mechani ...
The child safety lock is provided to help prevent children from accidentally
opening the rear doors from inside the vehicle. The rear door safety locks should
be used whenever children are in th ...
Hyundai Elantra HD: Speed sensing door lock system (if equipped)
