Hyundai IONIQ 6 Warning Lights: What They Mean

Red: stop or act now

Parking Brake and Brake Fluid Warning Light

Parking brake is applied, brake fluid in the reservoir is low, or regenerative brake is not operating.
What to do: If fluid is low, stop safely, check and add fluid, look for leaks. If light stays on, do not drive; see dealer. PDF page 157

Other warnings and indicators

Anti-lock Brake System (ABS) Warning Light

Comes on briefly at start-up; stays on when the ABS malfunctions. Hydraulic braking still works.
What to do: If it stays lit while driving, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 157

Electronic Brake Force Distribution (EBD) System Warning Light

ABS and Parking Brake lights on together may indicate an EBD problem; braking may not work normally.
What to do: Avoid high speed and abrupt braking; have the vehicle inspected by a dealer as soon as possible. PDF page 158

Motor Driven Power Steering (MDPS) Warning Light

Comes on briefly at start-up; stays on when the power steering has a malfunction.
What to do: If it stays lit while driving, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 158

Master Warning Light

A malfunction is detected in a system such as collision-avoidance, LED headlight, High Beam Assist, Smart Cruise Control, or TPMS. PDF page 158

Electronic Parking Brake (EPB) Warning Light

Comes on briefly at start-up; stays on when the EPB malfunctions.
What to do: If it stays lit while driving, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 159

Low Tire Pressure Warning Light

One or more tires are significantly underinflated. Blinking then staying on, or repeated blinking, means a TPMS malfunction.
What to do: Stop and check tires, inflate to proper pressure. For a malfunction, have the vehicle inspected by a dealer soon. PDF page 159

All Wheel Drive (AWD) Warning Light

A malfunction of the AWD system is detected.
What to do: If this occurs frequently, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 162

LED Headlight Warning Light

Comes on with an LED headlight malfunction; blinks with a malfunction of an LED headlight related part.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. Continued driving can reduce LED headlight life. PDF page 162

Door open indicator light

Any door or trunk is left open.
What to do: Confirm the door and trunk are fully closed before driving. PDF page 163

Icy Road Warning Light

Warns the road may be icy when the outside temperature is below 40 °F (4 °C).
What to do: Avoid speeding, rapid acceleration, sudden braking, or sharp turning. PDF page 162

Electronic Stability Control (ESC) OFF Indicator Light

ESC has been deactivated with the ESC OFF button. PDF page 163

Turn Signal Indicator Light

Blinks when the turn signal is used. Staying lit, blinking rapidly, or not lighting may mean a malfunction.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 164

High Beam Indicator Light

Headlights are on high beam or the Flash-to-Pass position is used. PDF page 164

Light ON Indicator Light

Parking lights or headlights are on. PDF page 164

Summarized in our own words from the 2025 Hyundai IONIQ 6 owner's manual (AI-assisted; every light name was matched against its cited page 2026-10-18). Your vehicle may not have every light, and other years can differ. A red warning that stays on usually means stop safely and check: your manual has the final word.