Hyundai Elantra AD (2016-2020) Owners Manual: Check Tire Inflation Pressure
Check your tires, including the spare tire, once a month or more.
How to check
Use a good quality tire pressure gauge to check tire pressure. You can not tell
if your tires are properly inflated simply by looking at them. Radial tires may
look properly inflated when they are under-inflated.
R ...
Hyundai Elantra AD (2016-2020) Service Manual: On-board Refueling Vapor Recovery (ORVR) valve Repair procedures
Removal
1.
Turn the ignition switch OFF, and then remove battery (-) cable.
2.
Remove the fuel pump.
(Refer to Fuel System - "Fuel Pump")
3.
Remove the ORVR (A) after releasing hooks (B).
Installation
1.
Installation is the reverse of removal. ...