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: Driving in Flooded Areas, Highway Driving
Driving in Flooded Areas
Avoid driving through flooded areas unless you are sure the water is no higher
than the bottom of the wheel hub. Drive through any water slowly. Allow adequate
stopping distance because brake performance may be reduced.
After driving through water, dry the brakes by ge ...
Hyundai Elantra AD (2016-2020) Owners Manual: Gauges
Speedometer
The speedometer indicates the speed of the vehicle and is calibrated in miles
per hour (mph) and/or kilometers per hour (km/h).
Tachometer
The tachometer indicates the approximate number of engine revolutions per minute
(rpm).
Use the tachometer to select the correct shift po ...