Hyundai Sonata: Stowing the rear seat belt

The rear seat belt buckles can be stowed in the pocket between the rear seatback and cushion when not in use.
Seat belt - Driver's 3-point system with emergency locking retractor
To fasten your seat belt:
To fasten your seat belt, pull it out of the retractor and insert the metal tab
(1) into the buckle (2). There will be an audible "click" when the tab locks ...
Pre-tensioner seat belt
Your vehicle is equipped with driver's and front passenger's pre-tensioner seat
belts. The purpose of the pre-tensioner is to make sure that the seat belts fit
tightly against the occupa ...
See also:
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 is ON. However, the doors may not be unlocked
if mechanical problems occur with th ...
External AMP Repair procedures
Removal
1.
Disconnect the negative (-) battery terminal.
2.
Open the trunk, remove the right luggage side trim.
(Refer to Body - "Trunk Trim")
3.
Remove the external amplifier (B) after d ...
Seat Belt Buckle Switch (BS). Components and Components Location
Components
...
