Seat belt warning light (for driver's seat)

As a reminder to the driver, the seat belt warning light will illuminate and warning chime will sound for approximately 6 seconds each time you turn the ignition switch ON if the seat belt is unfastened.
If you continue not to fasten the seat belt and you drive over 6 mph (9 km/h), the warning light will stay illuminated.
If you continue not to fasten the seat belt and you drive over 12 mph (20 km/h) the seat belt warning chime will sound for approximately 100 seconds and the corresponding warning light will blink.
If you unfasten the seat belt while driving under 12 mph (20 km/h), the seat belt warning light will illuminate until the seat belt is fastened.
If you unfasten the seat belt while driving over 12 mph (20 km/h), the seat belt warning chime will sound for approximately 100 seconds and the corresponding warning light will blink.
Seat belt warning light (for front passenger's seat)

â– Type A

â– Type B
As a reminder to the front passenger, the front passenger's seat belt warning lights will illuminate for approximately 6 seconds each time you turn the ignition switch ON regardless of belt fastening.
If you continue not to fasten the seat belt and you drive over 6 mph (9 km/h), the warning light will stay illuminated.
If you continue not to fasten the seat belt and you drive over 12 mph (20 km/h) the seat belt warning chime will sound for approximately 100 seconds and the corresponding warning light will blink.
If you unfasten the seat belt while driving under 12 mph (20 km/h) the seat belt warning light will illuminate until the seat belt is fastened.
If you unfasten the seat belt while driving over 12 mph (20 km/h), the seat belt warning chime will sound for approximately 100 seconds and the corresponding warning light will blink.
WARNING
The front passenger's seat belt warning light may not properly operate if the front passenger does not sit properly in the seat.
Seat Belts
Seat Belt Restraint SystemHyundai Elantra AD (2016-2020) Service Manual: Camshaft Position Sensor (CMPS) Repair procedures
Inspection
1.
Check the signal waveform of the CMPS and CKPS using the GDS.
Specification : Refer to "Wave Form"
Removal
•
DON’T remove the camshaft position sensor during engine
running or right after engine stops, or a scald by the flowed out engine
...
Hyundai Elantra AD (2016-2020) Service Manual: Stop Lamp Switch Repair procedures
Adjustment
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the lower crash pad.
(Refer to Body - "Crash Pad")
3.
Confirm the gap between stop lamp switch and bracket.
Stop lamp clearance (A) : 1.0 ~ 2.0 mm (0.04~ 0.08 in.)
4.
If the gap betw ...