2018 Genesis G80 problems, complaints & recalls

Updated Oct 10, 2026 from NHTSA data · How we count

Owners have filed 75 complaints with NHTSA about the 2018 Genesis G80, most often about electrical system. There are 6 recalls for this model year.

Complaints: 75
Recalls: 6
Crashes: 7
Fires: 0
Injuries: 5
Median mileage: 40,000 mi

Safety warning: at least one recall for this vehicle tells owners to park outside until it is repaired. Check your VIN at nhtsa.gov/recalls.

Key facts

Electrical System is the most-reported problem area, named in 22 of 75 complaints (29%).
Engine (13) and steering (12) follow.
Half of the complaints that list mileage happened before 40,000 mi.
Owners reported 7 crashes, 0 fires and 5 injuries.
The 2018 Genesis G80 has 6 recalls on file.
NHTSA has opened 1 defect investigation covering this vehicle.
It has the most serious complaint record of all 10 Genesis G80 model years we track.
That is 47% more complaints than the 2017 model year (51).

A complaint can mention more than one problem area, so categories add up to more than the total.

Most-reported components

Component (as filed with NHTSA)	Complaints
Electrical system	21
Unknown or other	14
Steering	12
Engine	10
Air bags	9
Engine and engine cooling	3
Power train	3
Service brakes	3

When problems happen (mileage)

Mileage at the time of the problem, for 2018 Genesis G80 complaints that list mileage.

2018 Genesis G80 recalls (6)

Recall 24V191000Mar 8, 202428,439 vehicles
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
Hyundai Motor America (Hyundai) is recalling certain 2018-2020 Genesis G80, 2017-2022 G90, and 2019-2022 G70 vehicles equipped with a 3.3-liter V6 turbocharged engine. The left turbocharger oil feed pipe may deteriorate and leak oil.
Risk: An oil leak in the presence of hot engine components can increase the risk of an engine compartment fire.
Remedy: Dealers will replace the left turbocharger oil feed pipe, free of charge. Owner notification letters were mailed May 3, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 019G. This recall expands and replaces recall number 19V-538. Vehicles previously repaired under 19V-538 will need to have the new remedy completed.
Recall 24V107000Feb 13, 202490,907 vehiclesPark outside
ELECTRICAL SYSTEM:STARTER ASSEMBLY:SOLENOID
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis, 2017-2019 Genesis G80, Genesis G90, and 2019 Genesis G70 vehicles. Water may enter the starter solenoid and cause an electrical short, which can result in an engine compartment fire while parked or driving.
Risk: 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. Dealers will install a remedy relay kit in the engine junction box, free of charge. Owner notification letters were mailed July 15, 2024. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 254(H) and 018G(G).
Recall 21V160000Mar 10, 202194,646 vehiclesPark outside
SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:CONTROL UNIT/MODULE
Hyundai Motor America (Hyundai) is recalling certain 2015-2016 Genesis and 2017-2020 Genesis G80 vehicles. The Anti-Lock Brake System (ABS) module could malfunction and short circuit.
Risk: An electrical short circuit inside the ABS module could cause an engine compartment fire while parked or driving.
Remedy: Owners are advised to park outside and away from structures until the remedy is complete. Hyundai will notify owners, and dealers will replace the ABS module fuse, free of charge. Owner notification letters were mailed July 6, 2021. Owners can contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 201 and 006G.
Recall 19V538000Jul 19, 20198,059 vehicles
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER · ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 and 2017-2018 Genesis G90 vehicles equipped with 3.3 liter turbocharged engines. The turbocharger oil supply pipe may have a loose seal, causing oil to leak onto the exhaust manifold.
Risk: Oil leaking onto the exhaust manifold increases the risk of a fire.
Remedy: Hyundai will notify owners, and dealers will replace the turbocharger oil supply pipe, free of charge. The recall began October 3, 2019. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 003G.
Recall 18V496000Jul 27, 20183,305 vehicles
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Hyundai Motor America (Hyundai) is recalling certain 2018 Genesis G80 vehicles. The Occupant Classification System (OCS) may incorrectly detect that an adult is in the passenger seat, even if the seat is unoccupied. In the event of a crash, if a child or infant is in the seat, the front passenger air bag may deploy instead of being deactivated.
Risk: In the event of a crash, if the front passenger air bag deploys instead of being deactivated when a child or infant are in the front passenger seat, it can increase the risk of injury.
Remedy: Hyundai will notify owners, and dealers will reprogram the OCS, free of charge. The recall began August 24, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 002G.
Recall 18V305000May 10, 201837 vehicles
VISIBILITY:GLASS, SIDE/REAR · VISIBILITY:WINDSHIELD
Hyundai Motor America (Hyundai) is recalling certain 2018 Hyundai Genesis G80 and Genesis G90 vehicles. The windshield and rear window on these vehicles may have been installed with incorrect primer, potentially reducing the glass bonding strength.
Risk: If the glass bonding strength is reduced over time, the windshield and rear window may detach while driving, increasing the risk of a crash.
Remedy: Hyundai will notify owners, and dealers will replace the front and rear glass, free of charge. The recall began on July 6, 2018. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 001G.

NHTSA defect investigations

AQ23002Opened Nov 17, 2023Open
Hyundai and Kia ABS Module Fires
The Office of Defects Investigation (ODI) has received eight Hyundai Motor America (Hyundai) and eight Kia America, Inc. (Kia) Part 573 Recall Reports between 2016 and 2023. The combined 16 safety recalls all involve the antilock braking system (ABS) modules or Hydraulic Electronic Control Units (HECU) manufactured by the equipment supplier Mando. The Part 573 Recall Reports contain varying defect descriptions and differing remedy descriptions for the same or similar equipment supplied by Mando. Safety recalls included in this Audit Query (AQ) review include: Hyundai recalls 20V-520, 20V-543, …

Recent 2018 Genesis G80 complaints

Excerpts of the newest owner complaints, lightly cleaned of personal details. Complaints are unverified owner reports.

Filed Aug 15, 2026AZOther / Unknown
After 2 hours on the road August 1, 2026 (from [XXX] to [XXX]), in 119-degree heat, the AC stopped blowing cold air out of the dash vents. There was cold air coming out of the rear-seat vent. The vehicle became unbearably hot. (Took my wife 2 days to recover from heat exhaustion.) The AC started working properly after the car sat for a few days in [XXX]. The Genesis Escondido service shop has not been able to duplicate the problem. The vehicle is still there at the shop.…
NHTSA complaint #11757185 · source
Filed Jul 9, 2026TXOther / Unknown
Dear NHTSA Office of Defects Investigation, I am submitting this letter to request an urgent review of a recurring and widespread air‑conditioning failure in the 2018 Genesis G80. The AC system consistently shuts off after extended driving and does not cool down when the car starts, especially in high‑heat environments In Texas, cabin temperatures can exceed 120°F, creating conditions that can lead to heat exhaustion or heat‑related illness. This is not an isolated incident.…
NHTSA complaint #11749342 · source
Filed Jul 8, 2026MIOther / Unknown
Driver side rear door electric latch is stop working and i tried to open the latch manually but the locked latch won't let me but remain locked. I have concerns with the situation because when door latch were broken due to accident, the door would remain locked and passengers would not be able to escape from inside of the car
NHTSA complaint #11749002 · source
Filed Apr 23, 202672,200 miFLEngine
The contact owns a 2018 Genesis G80. The contact stated that the Check Oil and Low Oil warning light illuminated while the vehicle was idling. The warning lights turned off while driving. The vehicle was not taken to the dealer or an independent mechanic to be repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 72,200.
NHTSA complaint #11733225 · source
Filed Feb 11, 2026MDAirbagsOther / Unknown
⭐ 1. The Airbag Control Unit (ACU) and associated restraint‑system components appear to have malfunctioned. The Event Data Recorder shows inconsistent airbag deployment staging, a pretensioner firing while the belt was recorded as unbuckled, a seat‑track sensor fault, unsupported occupant‑classification data, incomplete curtain‑airbag deployment during rollover, and missing crash‑event data. Yes, the vehicle and the full 29‑page EDR report are available for inspection upon…
NHTSA complaint #11717210 · source
Filed Feb 11, 2026126,000 miMDCrash2 injuredTowedAirbags
The contact owns a 2018 Genesis G80. The contact stated that while driving at an undisclosed speed, the contact's vehicle was involved in a crash. The contact stated that the vehicle crashed into a deer, and then crashed into a hill. The vehicle spun around three times and rolled over after crashing into the hill. The front driver's air bag did not deploy. The contact stated that no warning lights were illuminated. A Police report was filed. The contact sustained bruises to…
NHTSA complaint #11717208 · source
Filed Jan 29, 2026ALLighting
When operating the headlights in auto dim mode and the headlights are bright, when I try to dim the headlights manually using the dimmer switch, the headlights go out completely. When operating the headlights with auto dim mode turned off and the headlights are bright, when I try to dim the headlights manually using the dimmer switch, the headlights will not dim. This places myself and oncoming traffic at risk by them either being blinded by the high beams when I'm unable to…
NHTSA complaint #11714284 · source
Filed Jan 20, 2026MDCrash2 injuredTowedAirbags
I was in a accident severe enough to deploy all air bags but my steering wheel, i went to genesis with the issue and they inspected the car when they edr report came back everything matched but the model of the car it comes back to a gv80, on my genesis app my car comes back as a g90, my car is a genesis g80 the matter concerns conflicting vehicle indetifaction data across multiple official genesis systems as well as a failure of the airbag to deploy during a crash. Two…
NHTSA complaint #11712046 · source

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Source: U.S. National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation public data, as of Oct 10, 2026. Complaints are submitted by owners and are not verified by NHTSA or by us; a complaint does not prove a defect exists. View this vehicle on NHTSA.gov Methodology