2012 Hyundai Elantra Service and Repair Manual

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Factory-Grade Data

2012 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.

What’s included

  • Step-by-step repair procedures and service information
  • Specifications and reference data (where provided)
  • Electrical diagnostics with wiring diagrams
  • Coverage across major systems: engine, transmission/driveline, brakes, steering, suspension, HVAC, and more

Trims covered

  • GL Sedan 4-Door
  • Touring SE Hatchback 4-Door
  • L Sedan 4-Door
  • GLS Sedan 4-Door
  • Limited Sedan 4-Door
  • Touring GLS Hatchback 4-Door
  • Touring L Hatchback 4-Door
  • Touring GL Hatchback 4-Door

Engines covered

  • 1.8L 1797CC l4 GAS DOHC Naturally Aspirated
  • 2.0L 1975CC l4 GAS DOHC Naturally Aspirated

Index / Table of contents

  • Body
  • Brakes
  • Chassis Electrical
  • Driveline
  • Engine Cooling
  • Engine Electrical
  • Engine Mechanical
  • Engine Performance & Emission Controls
  • Fuel System
  • General Information & Identification
  • Heating, Ventilation, & Air Conditioning
  • Hybrid & Electric Vehicle Systems
  • Steering
  • Suspension
  • Transmission, Clutch, & Transfer Case
  • Wiring Diagrams

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Vehicle Safety Data

2012 Hyundai Elantra Recalls & Complaints

NHTSA #15V87100023/12/2015Component: ELECTRONIC STABILITY CONTROL (ESC)

Hyundai Motor America (Hyundai) is recalling certain model year 2011-2012 Elantra vehicles manufactured October 29, 2010, to October 25, 2011. Due to an electronic stability control (ESC) sensor malf

Consequence

If the one or more of the brakes are inappropriately applied, control of the vehicle may be lost, in

Remedy

Hyundai will notify owners, and dealers will verify the proper operation of the ESC sensors, and upd

NHTSA #23V65100022/09/2023Component: SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED

Hyundai Motor America (Hyundai) is recalling certain 2011-2015 Elantra, Genesis Coupe, Sonata Hybrid, 2012-2015 Accent, Azera, Veloster, 2013-2015 Elantra Coupe, Santa Fe, 2014-2015 Equus, 2010-2012 V

Consequence

An engine compartment fire while parked or driving can increase the risk of injury.

Remedy

Owners are advised to park outside and away from structures until the recall repair is complete. De

NHTSA #20V39300002/07/2020Component: EQUIPMENT:ELECTRICAL

Hyundai Motor America (Hyundai) is recalling certain 2011-2012 Hyundai Elantra and Sonata Hybrid, 2012 Accent and Veloster vehicles. The 12V accessory socket outlet may have been over-tightened durin

Consequence

An overheated accessory outlet increases the risk of fire.

Remedy

Hyundai will notify owners, and dealers will replace the Tire Mobility Kit accessory outlet plug wit

NHTSA #13V11500001/04/2013Component: AIR BAGS:SIDE/WINDOW

Hyundai Motor Company is recalling certain model year 2011-2013 Elantra vehicles manufactured from November 12, 2010, through March 5, 2013. A support bracket attached to the headliner may become dis

Consequence

If the headliner support bracket makes contact with an occupant during a crash, it may cause a lacer

Remedy

Hyundai will notify owners, and dealers will apply adhesive strips to the headliner, free of charge.

TSB #11032523

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

TSB #11032522

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),

TSB #11027035

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

TSB #11027034

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

TSB #11027033

This bulletin provides the service procedure for installation of a key cylinder reinforcement protector assembly and two anti-theft decals on the front windows.

TSB #11026704

In response to this trend, we engineered a software upgrade that addresses the social media theft method and made it available to owners of eligible models free of charge at authorized Hyundai dealers since early 2023. In addition to the an

TSB #11025476

This bulletin provides information regarding condensation related to the accumulated moisture in the headlamp, rear combination lamp, daytime running lamp (DRL), or fog lamp. This TSB illustrates the various causes of condensation inside th

TSB #11000788

A class settlement against Hyundai Motor America (HMA) that had alleged that certain 2011 2022 model year Hyundai vehicles that were not equipped with an engine immobilizer (called the Class Vehicles) contain design flaws, including the fai

Showing the 8 most recent of 116 technical service bulletins on file with NHTSA.

20250821Component: SEAT BELTSCrash reported5 injured

. During the accident on February 1, 2025, at the moment of impact, the passenger seat belt suddenly unlatched and became stuck on my right hand. As a direct result, I suffered a fracture in my right

20250809Component: AIR BAGSCrash reported2 injured

Seatbelt failed passenger was thrown forward hitting windshield afterwards airbag deployed throwing passenger upwards hitting roof of vehicle Issue: Delayed airbag deployment Issue: Seatbelt failure

20250809Component: SEAT BELTSCrash reported2 injured

Seatbelt failed passenger was thrown forward hitting windshield afterwards airbag deployed throwing passenger upwards hitting roof of vehicle Issue: Delayed airbag deployment Issue: Seatbelt failure

20190910Component: SEAT BELTSCrash reported2 injured

WAS TURNING OFF A HIGHWAY INTO A MINOR ROAD AND WAS T-BONED ON THE PASSENGER SIDE BY ANOTHER CAR. FOLLOWING THE IMPACT MY SEAT BELT (WHICH I ALWAYS SECURE UPON ENTERING MY CAR) HAD SNAPPED OPEN AND WA

20190630Component: AIR BAGSCrash reported2 injured

2012 HYUNDAI ELANTRA COLLISION TO DRIVERS SIDE DOOR. DRIVERS SIDE AND DRIVERS AIRBAGS DID NOT DEPLOY.

Showing the 5 most serious of 914 complaints filed with NHTSA.

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