For proper maintenance, safety, and maximum fuel economy, you must always maintain recommended tire inflation pressures and stay within the load limits and weight distribution recommended for your vehicle.

All specifications (sizes and pressures) can be found on a label attached to the driver's side center pillar.
Tires and Wheels
Recommended Cold Tire Inflation PressuresHyundai Elantra AD (2016-2020) Service Manual: ESC OFF Switch Repair procedures
Removal
1.
Turn ignition switch OFF and disconnect the negative (-) battery cable.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
3.
Remove the side crash pad switch.
4.
Disconnect the ESC OFF switch connector.
5.
Check the continuity between the switch termi ...
Hyundai Elantra AD (2016-2020) Owners Manual: Limitations of the System
The Smart Cruise Control system may have limits to its ability to detect distance
to the vehicle ahead due to road and traffic conditions.
On curves
The Smart Cruise Control system may not detect a moving vehicle in your
lane, and then your vehicle could accelerate to the set speed. Also ...