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: Rear Door Latch Repair procedures
Replacement
1.
Remove the rear door module.
(Refer to Rear Door - "Rear Door Module")
2.
Remove the rear door inside handle cage (A).
3.
Disconnect the rear door latch connector (A).
4.
Loosen the mounting bolt and remove the rear door latch (A).
5.
Remove the rear door outside ...
Hyundai Elantra AD (2016-2020) Service Manual: Brake Booster Components and Components Location
Components
1. Reservoir cap2. Reservoir3. Booster4. Master cylinder 5. Booster pressure sensor
...