Reset the Service Indicator

Last updated: May 17, 2026

The Hyundai Kona Mk1 (OS/OSe, 2017–2023) — Hyundai’s first compact crossover-coupe, built in Ulsan (South Korea) and Nošovice (Czech Republic) for European sale across pre-facelift (2017–2020) and facelift (2020–2023) variants, with a class-leading powertrain range covering 1.0 T-GDi (G3LC/G3LF/G3LE, 88 kW), 1.6 T-GDi (G4FJ/G4FP, 130–146 kW including the Kona N), 1.6 CRDi diesel (D4FE, 85/100 kW, plus 48V MHEV from 2021), 1.6 GDi Hybrid (G4LE, 104 kW, 2019–), 2.0 MPi (G4NH, 110 kW), the Kona Electric (EM16, 100/150 kW, 2019–), and the 202 kW Kona N (G4KH 2.0 T-GDi, 2021–) — uses the Hyundai-Kia two-stage OK-button reset. The procedure is identical across every Mk1 engine variant including the hybrid and electric models, and across both pre-facelift and facelift cars. No diagnostic tool needed.

When to Reset the Service Indicator

• After completing an oil and filter change (or, on Electric, the equivalent dealer service schedule check).
• After a scheduled inspection service.
• If the spanner / wrench icon with “Service required” appears at startup, typically counting down from a 1,000 km warning.

Before You Start

• Park on a level surface with the engine off (or, on Electric/Hybrid, with READY off), then turn the ignition on without starting. On push-button cars: two presses without the brake reaches IGN-ON (one press is ACC only).
• Complete the actual service work before the reset.
• Locate the steering-wheel OK button — central position on the right-hand cluster of multifunction-display controls. This is the same button that confirms menu selections during normal driving.
• Confirm the cluster’s central LCD readout is showing the main trip / odometer screen — not deep inside a menu — before you start.
• On the Kona Electric: the procedure is the same as on petrol/diesel cars; the central LCD on Electric is digital but the steering-wheel OK button is in the same position.

Tools and Supplies

None for the reset itself. For an oil change, fresh Hyundai-spec oil — 5W-30 ACEA C3 / Hyundai/Kia Premium LF for the 1.0 / 1.6 T-GDi petrol and the 1.6 CRDi diesel; 0W-20 ACEA C5 / Hyundai/Kia 0W-20 Hybrid for the 1.6 GDi Hybrid; 0W-40 ACEA A3/B4 for the 2.0 T-GDi N. A new spin-on filter (different parts for petrol G-series and CRDi D-series); a 17 mm sump-plug socket on petrol, 19 mm on diesels; torque 40 Nm petrol / 35 Nm diesel. The 1.0 T-GDi takes 3.6 L with filter; the 1.6 CRDi takes 6.0 L; the 1.6 GDi Hybrid takes 3.8 L. The Kona Electric has no engine oil; the reduction gear oil is a dealer-interval item, separate from the service indicator.

The Service Reset Procedure

1. Turn the ignition ON (engine/READY off, instruments live).
2. Confirm the cluster LCD is on the standard trip / odometer screen.
3. Press and hold the steering-wheel OK button for at least 5 seconds. The cluster will display a “Service reset?” prompt.
4. Release the OK button briefly.
5. Press and hold the OK button again for at least 3 seconds to confirm the reset.
6. Release the OK button. The cluster will display a confirmation (typically “Service reset complete” or returns to the standard trip screen with the spanner cleared).
7. Switch the ignition off. Reset complete.

Verify the Reset Worked

Switch the ignition off, wait 30 seconds, then cycle back on. The spanner / “Service required” icon should be gone, and the cluster LCD should return to the standard trip / odometer screen without a service-distance overlay. Typical OS Kona intervals after the reset:

• 1.0 / 1.6 T-GDi petrol: 10,000 miles (15,000 km) or 12 months, whichever comes first.
• 2.0 MPi petrol: 10,000 miles (15,000 km) or 12 months.
• 2.0 T-GDi (Kona N): 6,250 miles (10,000 km) or 12 months — Hyundai shortens the interval for the high-performance variant.
• 1.6 CRDi diesel: 12,500 miles (20,000 km) or 24 months.
• 1.6 GDi Hybrid: 10,000 miles (15,000 km) or 12 months.
• Electric: dealer inspection schedule — typically annual; no engine-oil interval applies.

UK severe-service / short-trip driving requires halving the interval manually. The 7-year Hyundai warranty assumes you stick to the published schedule.

Troubleshooting

• The “Service reset?” prompt doesn’t appear after holding OK. Confirm the ignition is fully ON. On push-button cars: press START twice without depressing the brake — once goes to ACC, twice to IGN-ON, three times to ACC again. Also confirm the cluster LCD is on the trip / odometer screen, not deep in a menu.
• The reset prompt appears but cycles away before I can confirm. You have about 5 seconds to begin the second OK hold. Release and press-and-hold again within that window. If you miss it, restart from step 1.
• I reset the indicator but the spanner returns after a few miles. Either (a) the 12V battery is weak and the cluster lost the reset between starts — load-test, replace if older than 5 years; or (b) you reset the trip portion but not the actual service counter — the Kona has separate trip and service counters, and only the cluster-LCD “Service reset?” prompt zeros the service counter.
• 2020 facelift Kona (OSe) — anything different? The 2020 facelift updated the styling and revised the infotainment, but the cluster and OK-button reset path remained unchanged. Procedure unchanged.
• Kona Electric — same procedure? Yes. The Electric uses the same cluster electronics (with a digital instrument display on later trims) and the same steering-wheel OK button. The reset zeros the dealer-service interval counter even though there’s no oil to change.
• Kona N (2.0 T-GDi, 2021+) — anything different? The Kona N uses the same cluster and OK button. Its tighter 6,250-mile oil interval is reflected in the counter’s reset value, not in the reset procedure.
• 1.6 CRDi MHEV (2021+) — anything different? The 48V mild-hybrid variant uses the same cluster and OK button. The MHEV-specific battery-management warnings are separate from the service-indicator system.

Frequently Asked Questions

What does the spanner symbol on the Kona mean?

On the OS Kona the spanner / wrench icon is the service-distance reminder — it indicates the service interval has been reached or is about to be reached (the 1,000 km countdown warning). The icon does not indicate an engine fault; that’s a separate amber engine-check / yellow malfunction-indicator lamp.

Do I need a diagnostic tool?

No. Every Mk1 Kona uses the owner-accessible OK-button method. Hyundai’s GDS dealer tool and aftermarket scan tools can also reset the service counter via OBD-II, but the cluster method is standard.

Does the reset clear engine fault codes?

No. The reset zeros the service-distance counter only. Engine fault codes need a scan tool. For DTC interpretation see autodtcs.com.

Is the procedure the same as the Tucson TL and Sportage QL?

Yes — the Kona OS, Hyundai Tucson Mk3 (TL, 2015–2020), and Kia Sportage Mk4 (QL/QLE, 2016–2022) all share the same Hyundai-Kia cluster generation with the steering-wheel OK button, and the two-stage hold procedure is identical. Same applies to the i30 Mk2 (GD) and other Hyundai-Kia models of the era.

How often does the Kona service indicator come up?

Hyundai’s UK-market schedule depends on powertrain — most petrol Konas are 10,000 miles (15,000 km) or 12 months, the diesel CRDi is 12,500 miles (20,000 km) or 24 months, the Kona N is shortened to 6,250 miles (10,000 km) or 12 months, and the Electric is on an annual dealer-inspection schedule with no mileage component.

What about the Kona Mk2 (SX2, 2023+)?

The Mk2 Kona (SX2, 2023-onwards) uses a fully digital cluster with the reset moved into the digital cluster menus rather than a steering-wheel hold. We’ll publish a dedicated SX2 guide.

For DTC code interpretation on Hyundai vehicles see autodtcs.com.