Hyundai Elantra: Emission Control System / Exhaust Emission Control System

Fuel Tank Air Filter

Repair procedures Removal1.Turn the ignition switch OFF and disconnect the negative (-) battery cable. 2.Disconnect the vent hose (A).3.Remove the fuel tank air filter (A) by rotating it 30 degrees...

Description and operation

DescriptionExhaust emissions (CO, HC, NOx) are controlled by a combination of engine modifications and the addition of special control components.Modifications to the combustion chamber, intake manifold, camshaft and ignition system form the basic control system...

Other information:

Hyundai Elantra (CN7) 2021-2025 Service Manual: Battery

Description and operation Description1.The CMF (Closed Maintenance Free) battery is, as the name implies, totally maintenance free and has no removable battery cell caps.2.The MF (Closed Maintenance Free) battery does not require water replenishment for the repair...

Hyundai Elantra (CN7) 2021-2025 Owner's Manual: Why Didn’t My Air Bag Go Off in a Collision?

Air bags are not designed to inflate in every collision. There are certain types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, second or third collisions in multiple impact accidents, as well as low speed impacts...