

Air bag warning labels, required by the U.S. National Highway Traffic Safety Administration (NHTSA), are attached to alert the driver and passengers of potential risks of the air bag system. Be sure to read all of the information about the air bags that are installed on your vehicle in this Owners Manual.
Additional Safety PrecautionsHyundai Elantra AD (2016-2020) Owners Manual: Recommended Cold Tire Inflation Pressures
All tire pressures (including the spare) should be checked when the tires are
cold. "Cold tires" means the vehicle has not been driven for at least three hours
or driven less than one mile (1.6 km).
Warm tires normally exceed recommended cold tire pressures by 4 to 6 psi (28
to 41 k ...
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 ...