Hyundai Ioniq: Engine Electrical System / Exhaust Emission Control System

Hyundai Ioniq (AE) 2017-2025 Service Manual / Engine Electrical System / Exhaust Emission Control System

Fuel Filler Cap. Description and operation

DescriptionA ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler cap and the filler neck flange contact each other, the ratchet produces a loud clicking noise indicating the seal has been set...

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 Ioniq (AE) 2017-2025 Owner's Manual: Non-operational conditions of Parking Distance Warning (Reverse) System


The Parking Distance Warning (Reverse) System may not operate normally when: Moisture is frozen to the sensor. The sensor is covered with dirt or debris such as snow or ice, or the sensor cover is blocked. There is a possibility of the Rear Parking Distance Warning (Reverse) System malfunction when: Driving on uneven road surfaces such as unpaved roads, gravel, bumps, or gradient...

Hyundai Ioniq (AE) 2017-2025 Owner's Manual: Rear seat head restraints


The rear seats are equipped with head restraints in all the seating positions for the passenger's safety and comfort. Adjusting the height up and down To raise the head restraint: 1. Pull it up to the desired position (1). To lower the head restraint: 1...

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Rear Seats

Folding the rear seat

The rear seatbacks can be folded to facilitate carrying long items or to increase the luggage capacity of the vehicle.

WARNING

Never allow passengers to sit on top of the folded down seatback while the vehicle is moving. This is not a proper seating position and no seat belts are available for use. This could result in serious injury or death in case of an accident or sudden stop. Objects carried on the folded down seatback should not extend higher than the top of the front seatbacks. This could allow cargo to slide forward and cause injury or damage during sudden stops.

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