| Troubleshooting |
| Trouble Symptom | Probable cause | Remedy |
| Vehicle pulls to one side | Scoring of driveshaft ball joint | Replace |
| Wear, rattle or scoring of wheel bearing | Replace | |
| Defective front suspension and steering | Adjustment or Replace | |
| Vibartion | Wear, damage or bending of driveshaft | Replace |
| Driveshaft rattle and hub serration | Replace | |
| Wear, rattle or scratching of wheel bearing | Replace | |
| Shimmy | Defective wheel balance | Adjustment or Replace |
| Defective front suspension and steering | Adjustment or Replace | |
| Excessive noise | Wear, damage or bending of driveshaft | Replace |
| Rattle of driveshaft and worn hub splines | Replace | |
| Wear, rattle or scoring of wheel bearing | Replace | |
| Loose hub nut | Adjustment or Replace | |
| Defective front suspension and steering | Adjustment or Replace |
Special Service ToolsHyundai Elantra AD (2016-2020) Owners Manual: Drive Mode Integrated Control System
The drive mode may be selected according to the driver's preference or road condition.
Information
If there is a problem with the instrument cluster, the drive mode will be
in NORMAL mode and may not change to SPORT mode.
The mode changes, as below, whenever the DRIVE MODE button is press ...
Hyundai Elantra AD (2016-2020) Owners Manual: Warning and System Control
Blind-Spot Collision Warning (BCW) system
First stage alert
If a vehicle is detected within the boundary of the system, a yellow warning
light will illuminate on the outer side view mirror.
If the detected vehicle is no longer within the blind spot area, the warning
will turn off according ...