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: ETC (Electronic Throttle Control) System Repair procedures
Inspection
Throttle Position Sensor (TPS)
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Start the engine and measure the output voltage of TPS 1 and 2 at C.T. and W.O.T.
Throttle AngleOutput Voltage (V)TPS 1TPS 2C.T0.54.5W.O.T4.410.59
ETC Motor
1.
Turn the ignition ...
Hyundai Elantra AD (2016-2020) Service Manual: Components and Components Location
Component Location
1. Smart key unit2. Body control module (BCM)3. Interior antenna 14. Interior antenna 25. FOB Key6. Start Stop Button (SSB)7.Door handle & Door antenna8. Bumper antenna9. Trunk antenna10. Trunk lid switch
...