2021 Hyundai Elantra Service and Repair Manual
2021 Hyundai Elantra service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you diagnose issues correctly, follow proven repair steps, and use wiring diagrams and system sections to track faults faster.
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
Hyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allo
A windshield that detaches from a vehicle during a crash can increase the risk of injury.
Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification le
Hyundai Motor America (Hyundai) is recalling certain 2021 Elantra vehicles. The driver and front passenger seat back recliners may have been improperly welded.
An improperly welded seat back recliner could separate from the seat back frame during a crash, incr
Dealers will inspect and if necessary, replace the seat back frame assembly, free of charge. Owner
Hyundai Motor America (Hyundai) is recalling certain 2021 Elantra, Elantra HEV, Venue, Genesis GV80 and 2022 Genesis GV70 vehicles. In the event of a crash, the front driver-side and/or passenger-sid
An exploding seat belt pretensioner could project metal fragments into the vehicle, striking vehicle
Dealers will replace the seat belt pretensioners, free of charge. Owner notification letters were m
Hyundai Motor America (Hyundai) is recalling certain 2021-2022 Elantra and 2020 Accent vehicles. In the event of a crash, the front driver and passenger-side seat belt pretensioners may explode upon
Exploding seat belt pretensioners can project metal fragments into the vehicle, strike vehicle occup
Dealers will replace the seat belt pretensioners, free of charge. Interim notification letters, not
The National Highway Traffic Safety Administration (NHTSA) has identified the presence of substandard and dangerous drivers-side airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN). These infla
The National Highway Traffic Safety Administration (NHTSA) has issued an urgent safety advisory regarding dangerous, counterfeit driverside airbag inflators manufactured by Jilin Province Detiannuo Automobile Safety System Co., Ltd. (DTN),
Some vehicles may exhibit difficulty starting in cold weather. This bulletin provides the procedure to perform an inspection on the starter magnetic switch for potential freezing and, if necessary, replace the starter magnetic switch (solen
Some 2019MY and newer vehicles equipped with a front view camera may illuminate certain warning lights and trigger DTC C272246 fault code for the front camera. In the following cases, the front camera auto-calibration range may be exceeded
Some Elantra (CN7, CN7A), Kona (OS, SX2), and Sonata Hybrid (DN8 HEV) vehicles equipped with 2.0L engines may illuminate a warning lamp for DTC P218100 (Cooling System Performance) related to the Integrated Thermal-Management Module (ITM).
Upon customer's request ONLY, the Technical Service Bulletin (TSB) 25-01-089H provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows. This repair pro
In addition to the Anti-Theft software provided under Service Campaign 993 (TSB 24-01-009H-1), a zinc reinforced ignition cylinder protector hardware upgrade is being made available to customers upon request. This supplemental security meas
This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.
Showing the 8 most recent of 79 technical service bulletins on file with NHTSA.
The contact's mother-in-law owned a 2021 Hyundai Elantra. The contact stated that while her son was driving the vehicle, he had begun to make a left turn onto a highway as an oncoming vehicle struck t
Description of the Safety Problem: In the early morning hours of January 8, while driving my Hyundai vehicle, I ran off the road into a ditch. I was extremely disoriented and activated the vehicleâ
The contact owns a 2021 Hyundai Elantra. The contact stated that while driving at approximately 2 MPH, the brake pedal was depressed but the vehicle accelerated. The vehicle collided with a median and
My father was involved in a car crash, front end into a wall. Apparently, the front end collison warning did not sound and the auto braking system never engaged. Prior to the accident, the front end
On February 23, 2022, I was involved in an accident with the Hyundai Elantra, Vin# [XXX]. The vehicleâs brakes failed, and I struck a Blue Ford Escape from behind with a speed of approximately 37 mp
Showing the 5 most serious of 210 complaints filed with NHTSA.
Need a manual for a different year? Browse every Hyundai Elantra we cover.
2024
Hyundai Elantra
$49.99
2023
Hyundai Elantra
$49.99
2022
Hyundai Elantra
$49.99
2020
Hyundai Elantra
$49.99
2019
Hyundai Elantra
$49.99
2018
Hyundai Elantra
$49.99
2017
Hyundai Elantra
$49.99
2016
Hyundai Elantra
$49.99
2015
Hyundai Elantra
$49.99
2014
Hyundai Elantra
$49.99
2013
Hyundai Elantra
$49.99
2012
Hyundai Elantra
$29.99
+20
View all
Hyundai Elantra years →
Browse service and repair manuals for other Hyundai models in our catalog.
