Hyundai Elantra: Convenient Features of Your Vehicle / Light

Exterior Lights

Lighting control To operate the lights, turn the knob at the end of the control lever to one of the following positions: 1. OFF position 2. AUTO headlamp position (if equipped) 3. Parking lamp ...

Other information:

Hyundai Elantra AD (2016-2020) Owners Manual: Headlight Warning Light, LED Headlight Warning Light
Headlight Warning Light This warning light illuminates: This warning light illuminates if one of the exterior bulbs (headlamp, DRL, turn signal lamp, stop lamp, etc.) is not operating properly. One of the bulbs may need to be replaced. If the vehicle is equipped with LED headlamps, have the ...

Hyundai Elantra AD (2016-2020) Service Manual: Smart Cruise Control Switch Repair procedures
Inspection [Measuring Resistance] 1. Disconnect the cruise control switch connector from the control switch. 2. Measure resistance between terminals on the control switch when each function switch is ON (switch is depressed). Function switchTerminalResistanceSET -2 - 5550?±5%RES +2 - ...