⚠️ Hyundai manufacturer position

Hyundai Motor UK warranty excludes fuel contamination. Use GDS and UK workshop manuals for tank module removal, filter replacement, and rail priming.

Vehicle information

MakeHyundai
ModelIoniq 5 / Ioniq 6
Market statusSold new in the UK 2021–present (Ioniq 5); Ioniq 6 from 2022
Body stylesCrossover (Ioniq 5), Saloon (Ioniq 6)
GenerationsNE (Ioniq 5), CE (Ioniq 6)
Engine optionsElectric: E-GMP battery-electric
Fuel tank capacityNot applicable
Fuel systemNone
Access methodNot applicable for fuel
Anti-siphonNot applicable
Service portalHyundai GDS / Hyundai UK technical literature

Misfuel risk Not applicable

E-GMP electric vehicles — no petrol or diesel tank.

If the engine was not started

Prevent charging; recover to authorised repairer.

If the engine was started

Not fuel-related — follow HV diagnostic procedure if damage suspected.

Access procedure

  1. If liquid enters the DC charge port, do not charge — contact Hyundai roadside assistance.
  2. HV disable per GDS before inspection.
  3. Dealer inspection of port, harness, and battery management system as required.

Related models

Frequently asked questions

Can I misfuel a Hyundai Ioniq 5/6?

There is no petrol or diesel tank. Risk is limited to adding the wrong fluid to the washer reservoir or other caps — never use the charging port for anything except charging.

What if petrol is poured into a Hyundai Ioniq 5/6 charging port?

Do not charge. Isolate the vehicle, contact Hyundai roadside assistance or a high-voltage-qualified workshop. Contamination of HV components is a serious safety issue under COSHH and DSEAR controls.

Does wrong fuel affect Hyundai electric vehicle warranty?

Liquid contamination of electrical systems is not a manufacturing defect and is typically excluded from warranty. Document remediation by a qualified technician.

Is AdBlue relevant to the Hyundai Ioniq 5/6?

Not applicable — this model has no diesel exhaust fluid system.

Need professional misfuel recovery?

Find a certified operator or read consumer guidance for your next steps.

Find an operator Consumer guidance

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