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: Adjusting the Sensitivity of Smart Cruise Control
The sensitivity of vehicle speed when following the front vehicle to maintain
the set distance can be adjusted. Go to the 'User Settings → Driver Assistance →
SCC Reaction → Fast/Normal/Slow' on the LCD display. You may select one of the three
stages you prefer.
• Fast:
Veh ...
Hyundai Elantra AD (2016-2020) Service Manual: Repair procedures
Compression Pressure Inspection
•
If the there is lack of power, excessive oil consumption or poor fuel economy, measure the compression pressure.
1.
Warm up and stop engine.
Allow the engine to warm up to normal operating temperature.
2.
Disconnect the injec ...