2018 Hyundai ElantraProblems: Top Complaints, Recalls & Failures (NHTSA)

Engine

• After the car was started, I drove 3 houses over when there was a loud knocking sound and the car just shut off. When trying to restart it wouldn't and the check engine, battery, and oil lights came o
• On July 13, 2026, my engine light came on and I don't understand why. My oil change was update and not sure what else can be wrong. So, I went to AutoZone so that can do a diagnostic and they gave me
• While the car is in drive, it would power off in the middle of driving. Took the car to repair and advised regarding the engine. My safety was at risk because I loss power to operation the car in the

Electrical System

• This vehicle lacks an engine immobilizer, a defect that has made 2011-2022 Hyundai and Kia vehicles unusually susceptible to theft via a method widely publicized on social media as the "Kia Challenge.
• Alarming rate of oil consumption causes sudden loss of power / acceleration which definitely increases probably of causing an accident. Local repair shop confirmed extremely low oil level with no evid
• I am writing to formally report a safety concern regarding my 2018 Hyundai Elantra. The vehicle has experienced a failure of the heater hose/pipe, which appears to be made of plastic and connected to

Power Train

• What component or system failed or malfunctioned, and is it available for inspection upon request? The car began stalling and started to become unresponsive while I was driving to work. While I was no
• In early May 2023 I was driving my 2018 Elantra vehicle on the expressway. I had hot an area where there was traffic and had to slow down and move along with the speeds everyone else was going. When I
• I have been having transmission issues with my car since before July 2024. The transmission would stutter or not engage when I put my foot on the accelerator. The transmission failed in November 2024

Fuel/Propulsion System

• Cars engines stopped for no apparent reason pulled over and it started back up but it stopped two more times within a two block radius both times it restarted the date was2/17 26 on the next day it di
• I have a 2018 Hyundai Elantra with about 155k miles. It has been consuming oil excessively and has developed serious drivability issues. If I try to accelerate even slightly harder than normal—especia
• Initial Fault Code: P0303 Replaced all 4 spark plugs and all 4 ignition coils. The check engine light extinguished momentarily but returned, logging P0303 and a new P0301 Replaced all 4 fuel inject

Exterior Lighting

• The rare brake light is working fine but the car dashboard computer keeps on saying „Check rare brake light“ intermittently. It either needs a repair (although brake lights are working) or a replaceme
• Passenger side brake light keeps going out and has been replaced twice
• My husband filed a complaint about the lighting on his Hyundai sonata and I have a Hyundai Elantra that is doing the same thing. Twice now while I’ve been driving at night, my headlights have gone off