Hyundai Sonata LF 2014-2019 Owners Manual: SRS Care
The SRS is virtually maintenancefree and there are no parts you can safely service
by yourself. If the SRS air bag warning light does not illuminate when the Engine
Start/Stop button is in the ON position, or continuously remains on, have your vehicle
immediately inspected by an authorized HYUNDA ...
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: ...