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: Changing Engine Coolant
Have coolant changed by an authorized HYUNDAI dealer according to the Maintenance
Schedule at the beginning of this chapter.
WARNING
Do not use engine coolant or antifreeze in the washer fluid reservoir.
Engine coolant can severely obscure visibility when sprayed on the windshield
and may cau ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
1. Audio unit2. Feeder cable joint connector3. Center speaker4. Glass antenna amplifier5. Front door speaker6. Rear door speaker7. Sub woofer speaker8. Antenna feeder cable9. Tweeter speaker
...