The hazard warning flasher serves as a warning to other drivers to exercise extreme caution when approaching, overtaking, or passing your vehicle.
It should be used whenever emergency repairs are being made or when the vehicle is stopped near the edge of a roadway.
To turn the hazard warning flasher on or off, press the hazard warning flasher button. The button is located in the center fascia panel. Both the left and right turn signal lights will flash simultaneously.
Hyundai Elantra AD (2016-2020) Service Manual: Vacuum Pump Repair procedures
Removal
1.
Remove the cylinder head cover.
(Refer to Cylinder Head Assembly - "Cylinder Head Cover")
2.
Remove the timing chain.
(Refer to Timing System - "Timing Chain")
3.
Remove the vacuum pump (A).
•
Do not disassemble the vacuum pump.
4.
To ins ...
Hyundai Elantra AD (2016-2020) Service Manual: Blind Spot Detection Switch Repair procedures
Inspection
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the lower crash pad switch assembly (A) after disengaging the mounting clip.
4.
Remove the rheostat switch connector (A).
5.
Check ...