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: Evaporator Temperature Sensor Description and Operation
Description
The evaporator temperature sensor will detect the evaporator
core temperature and interrupt compressor relay power in order to
prevent evaporator from freezing by excessive cooling. The evaporator
temperature sensor has the Negative Temperature Coefficient (NTC).
Electrical re ...
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
...