If the Smart Key does not operate normally, you can lock or unlock the door by using the mechanical key.
Press and hold the release button (1) and remove the mechanical key (2). Insert the mechanical key into the key hole on the door.
To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard.
Hyundai Sonata LF 2014-2019 Service Manual: Rear Lower Arm Repair procedures
Removal
1.
Raise the vehicle, and make sure it is securely supported.
2.
Remove the wheel cap (A).
Be careful not to damage to the wheel cap (A) when removing the it.
3.
Remove the front wheel and tire (A) from front hub.
Tightening torque:
88.3 ~ 107.9 N.m ...
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 ...