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.
Hyundai Elantra AD (2016-2020) Service Manual: Muffler Repair procedures
Removal and Installation
Front Muffler
1.
Disconnect the battery negative terminal.
2.
Disconnect the oxygen sensor connector (A).
3.
Detach the rubber hanger (A) from the front muffler.
4.
Remove the front muffler (B).
Tightening torque :
39.2 ~ 58.8 N.m (4.0 ~ 6.0 kgf.m, 28.9 ...
Hyundai Elantra AD (2016-2020) Service Manual: Schematic Diagrams
Schematic Diagrams
Terminal Function
TypePin NoDescriptionBattery1Battery +2Battery -VSS1IGN2-3-4-5-6-7HIGH CAN8LOW CAN
...