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) Owners Manual: Transmission ranges
The indicator in the instrument cluster displays the shift lever position when
the ignition switch is in the ON position
P (Park)
Always come to a complete stop before shifting into P (Park).
To shift from P (Park), you must depress firmly on the brake pedal and make sure
your foot is off the ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Wheel Speed Sensor Components and Components Location
Components
1. Front wheel speed sensor2. Front wheel speed sensor connector
...