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: Description and Operation
Description
•
Automatic transaxle system relies on various measurement data
to determine the current control status and extrapolate the necessary
compensation values.
•
These values are used to control the actuators and achieve the desired control output.
•
If a problem ...
Hyundai Elantra AD (2016-2020) Service Manual: Front Oil Seal Repair procedures
Replacement
1.
Remove the crankshaft damper pulley.
(Refer to Timing System - "Crankshaft Damper Pulley")
2.
Remove the front oil seal (A).
3.
Apply engine oil on the edge of new oil seal.
•
Remove any debris from the lip portion of the oil seal.
4.
...