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: Automatic Heating and Air Conditioning
The Automatic Climate Control System is controlled by setting the desired temperature.
1. Press the AUTO button.
The modes, fan speeds, air intake and air-conditioning will be controlled automatically
by the temperature setting you select.
2. Turn the temperature control knob to the desired ...
Hyundai Elantra AD (2016-2020) Service Manual: Curtain Airbag (CAB) Module Description and Operation
Description
Curtain airbags are installed inside the headliner (LH and
RH) and protect the driver and passenger from danger when side crash
occurs. The SRSCM determines deployment of curtain airbag by using side
impact sensor (SIS) signal.
•
Never attempt to meas ...