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: Driver Position Memory System
The Driver Position Memory System is provided to store and recall the following
memory settings with a simple button operation.
- Driver's seat position
- Side view mirror position
- Instrument panel illumination intensity
If the battery is disconnected, the position memory will be lost ...
Hyundai Elantra AD (2016-2020) Service Manual: Special Service Tools
Special Service Tools
Tool (Number and Name)IllustrationApplicationRKE Battery Checker(09954-2P100)Measuring the RKE battery voltageCorrection jig for LDWS or LKAS(09890-3V100)Correction of LDWS (Lane Departure Warning System) or LKAS (Lane keeping assist system)
...