Hyundai Elantra: Impact sensing door unlock system (if equipped) - Door locks - Features of your vehicle - Hyundai Elantra HD 2006Ц2010 Owners ManualHyundai Elantra: Impact sensing door unlock system (if equipped)

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 mechanical door lock system or battery.