Always fasten your seat belt and make sure all passengers have fastened their seat belts before starting any trip. Air bags are designed to supplement the seat belt as an additional safety device, but they are not a substitute. Most states require all occupants of a vehicle to wear seat belts.
WARNING
Seat belts must be used by ALL passengers whenever the vehicle is moving.Take the following precautions when adjusting and wearing seat belts:
WARNING
Damaged seat belts and seat belt assemblies will not operate properly. Always replace:
Hyundai Sonata LF 2014-2019 Service Manual: Knock Sensor (KS) Description and Operation
Description
Knocking is a phenomenon characterized by undesirable
vibration and noise and can cause engine damage. Knock Sensor (KS) is
installed on the cylinder block and senses engine knocking.
When knocking occurs, the vibration from the cylinder block
is applied as pressure to the piez ...
Hyundai Sonata LF 2014-2019 Service Manual: Engine Coolant Temperature Sensor (ECTS) Repair procedures
Inspection
1.
Turn the ignition switch OFF.
2.
Remove the ECTS (Refer to "Removal").
3.
After immersing the thermistor of the sensor into engine coolant, measure resistance between the ECTS terminals 3 and 4.
4.
Check that the resistance is within the specification.
Specification: ...