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: TPMS Sensor Description and Operation
Description
1.
General description
WU is a sensor placed in the tire that reports pressure and temperature.
The WU is mounted inside the wheels, fixed to the valve. The angle between the valve and the housing of the WU is variable.
This allows adaptation to various types of rims.
The Wheel ...
Hyundai Elantra AD (2016-2020) Service Manual: Power Window Motor Repair procedures
Inspection
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Wrap the protective tape on the tool to disassemble with the screwdriver or remover.
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Use caution in keeping and handling during disassembling/assembling because it is easily contaminated with lubricant and oil.
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Be careful not to scratc ...