Hyundai Elantra Hybrid Warning Lights: What They Mean

Red: stop or act now

Parking Brake & Brake Fluid Warning Light

Parking brake is applied, or brake fluid level in the reservoir is low if it stays on with the brake released.
What to do: Stop safely, check and add brake fluid, check for leaks. If light stays on or brakes feel wrong, don't drive; see dealer. PDF page 115

Amber: check soon

Regenerative brake warning light

Regenerative brake is not operating and braking performance is reduced; comes on with the red brake light. Pedal may be harder, stopping distance longer.
What to do: Drive safely and have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 115

Forward Collision-Avoidance Assist Warning Light

Yellow: Forward Safety deselected, disabled, or malfunctioning. Blinking red: Forward Safety function is operating.
What to do: If yellow stays on after the sensor is uncovered or unblocked, have it inspected by a dealer. PDF page 122

Other warnings and indicators

Anti-lock Brake System (ABS) Warning Light

Comes on briefly at ignition; staying on indicates an ABS malfunction. Hydraulic brakes still work. PDF page 116

Electronic Brake Force Distribution (EBD) System Warning Light

With ABS light, shows ABS and regular brakes may not work normally; braking in sudden stops may be dangerous.
What to do: Avoid high speeds and abrupt braking; have the vehicle inspected by a dealer as soon as possible. PDF page 116

Malfunction Indicator Lamp (MIL)

Malfunction in the emission control system, engine, or powertrain. Driving on may damage the emission system or catalytic converter.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer as soon as possible. PDF page 117

Motor Driven Power Steering (MDPS) Warning Light

Malfunction with the power steering system (also lights for about 3 seconds at ignition).
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 117

Electronic Parking Brake (EPB) Warning Light

Malfunction with the electronic parking brake; also lights for about 3 seconds at ignition.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 116

Electronic Stability Control (ESC) Indicator Light

Staying on means an ESC malfunction; blinks while ESC is operating.
What to do: If it stays on, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 120

LED headlight warning light

Malfunction with the LED headlight; continued driving can shorten LED headlight life.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 122

Exterior Light Warning Light

An exterior bulb such as headlight, DRL, turn signal or stop light is not working properly.
What to do: Replace the burned-out bulb with one of the same wattage. PDF page 121

Immobilizer Indicator Light

Blinking indicates an immobilizer system malfunction.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 120

Lane Safety indicator light

Green: Lane Keeping Assist conditions met; grey: not met; yellow: disabled or malfunctioning.
What to do: If yellow stays on after the front camera is uncovered, have it inspected by a dealer. PDF page 123

AUTO HOLD Indicator Light

White: auto hold activated. Green: vehicle held stopped. Yellow: auto hold malfunction.
What to do: For a malfunction, have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 117

Seat Belt Warning Light

The seat belt is not fastened. PDF page 115

Turn Signal Indicator Light

Blinks when the turn signal is operated; staying solid, blinking rapidly, or not lighting suggests a malfunction.
What to do: Have the vehicle inspected by an authorized HYUNDAI dealer. PDF page 121

Icy Road Warning Light

Road may be icy; outside temperature is approximately below 40°F (4°C).
What to do: Drive more attentively; avoid speeding, rapid acceleration, sudden braking and sharp turns. PDF page 123

Electronic Stability Control (ESC) OFF Indicator Light

ESC system has been deactivated with the ESC OFF button. PDF page 120

High Beam Assist indicator light

White: High Beam Assist ready. Green: operating, switching between high and low beam automatically. PDF page 122

High Beam Indicator Light

Headlights are on high beam or flash-to-pass is used. PDF page 122

Light ON Indicator Light

Tail lights or headlights are on. PDF page 122

Cruise Indicator Light

Cruise control system is enabled. PDF page 123

SPORT Mode Indicator Light

SPORT drive mode is selected. PDF page 123

SMART Mode Indicator Light

SMART drive mode is selected. PDF page 123

Summarized in our own words from the 2026 Hyundai Elantra Hybrid 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.