Other information:
Hyundai Sonata LF 2014-2019 Owners Manual: Headlamp delay function
If the key is removed from the ignition switch or placed in the ACC position
or the LOCK/OFF position with the headlamps ON, the headlamps (and/or parking lamps)
remain on for about 5 minutes. However, if the driver’s door is opened and closed,
the headlights are turned off after 15 seconds. Ho ...
Hyundai Sonata LF 2014-2019 Service Manual: Troubleshooting
Troubleshooting
Trouble SymptomProbable causeRemedyVehicle pulls to one sideScoring of driveshaft ball jointReplaceWear, rattle or scoring of wheel bearingReplaceDefective front suspension and steeringAdjustment or ReplaceVibrationWear, damage or bending of driveshaftReplaceDriveshaft rattle an ...