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.
Hyundai Sonata LF 2014-2019 Service Manual: Heated Oxygen Sensor (HO2S) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the HO2S connector.
3.
Measure resistance between the HO2S terminals 2 and 5 [B1/S1].
4.
Measure resistance between the HO2S terminals 3 and 4 [B1/S2].
5.
Check that the resistance is within the specification.
Specifica ...
Hyundai Sonata LF 2014-2019 Service Manual: Rear Seat Belt Buckle Repair procedures
Replacement
1.
Remove the rear seat cushion assembly.
(Refer to Rear Seat - "Rear Seat Assembly")
2.
Loosen the mounting bolt, and then remove the rear seat belt buckle (A).
[LH]
Tightening torque :
39.2 ~ 53.9 N.m (4.0 ~ 5.5 kgf.m, 28.9 ~ 39.8 lb-ft)
[RH]
Tightening torque :
3 ...