Hyundai Sonata: Door locks / Auto Door Lock/Unlock Features

Impact sensing door unlock system

All doors will be automatically unlocked when an impact causes the air bags to deploy.

Speed sensing door lock system

All doors will be automatically locked when vehicle speed exceeds 9 mph (15 km/h).

All of the doors will be automatically unlocked after the engine is turned off.

Shift lever auto door lock

All doors will be automatically locked when shifting the shift lever out of P (Park) with the engine running.

You can activate or deactivate the Auto Door Lock/Unlock features from the User Settings Mode on the LCD display.

With the central door lock switch
When pressing the () switch (1), all vehicle doors will lock. When pressing the () switch (2), all vehicle doors will unlock. If the key is in the ignition switch and any door is opened, the doors ...

Child-Protector Rear Door locks
The child safety lock is provided to help prevent children seated in the rear from accidentally opening the rear doors. The rear door safety locks should be used whenever children are in the vehicl ...

Other information:

Hyundai Sonata LF 2014-2019 Owners Manual: System Maintenance
Climate control air filter This filter is installed behind the glove box. It filters the dust or other pollutants that enter the vehicle through the heating and air conditioning system. Have the climate control air filter replaced by an authorized HYUNDAI dealer according to the maintenance sched ...

Hyundai Sonata LF 2014-2019 Owners Manual: Pre-tensioner seat belt (Driver and front passenger)
Retractor Pre-tensioner Your vehicle is equipped with driver’s and front passenger’s Pre-tensioner Seat Belts. The purpose of the pretensioner is to make sure the seat belts fit tightly against the occupant’s body in certain frontal collisions. The pre-tensioner seat belts may be activated ...

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